My dog tested positive for Lyme disease

Lyme disease is transmitted by tick bite, most commonly the deer tick.

May is National Lyme Disease Awareness Month.

Lyme disease is an infectious disease transmitted by tick bite, most commonly the deer tick. Particularly during the warm months many pets can be bitten by ticks carrying this disease. Lyme disease is most commonly seen in the northeast and mid-sections of the United States, but has been documented in many other states as well. Lyme disease is most commonly seen in dogs, as cats seem to be more resistant to the organism. Most pets that are naturally exposed to Lyme disease never develop any symptoms or get sick. Therefore if a pet “tests positive” for Lyme disease, it does not necessarily mean that a pet is sick or infected, or needs treatment.

For instance, many pets will get over the disease on their own but can remain positive on a blood test for months or years. Many veterinarians have a simple blood test that can tell you within minutes if your pet has been exposed to Lyme disease. Other laboratory tests such as a western blot or C6 blood test can be done; however, in my experience they are rarely needed in clinical practice.

In the event a Lyme disease positive pet is symptomatic then antibiotic therapy should be instituted. Signs and symptoms of Lyme disease in dogs can include:

  • Lethargy
  • Swollen glands
  • Fever
  • Limping (which can be a shifting lameness in different legs)
  • And occasionally kidney and heart/nervous system complications

In some situations involving Labradors and Golden Retrievers, dog breeds such as these appear to have a higher genetic predisposition to the kidney form of Lyme disease when compared to other breeds. Treatment usually consists of 3 to 6 weeks of antibiotic therapy, most commonly Doxycycline, which can also treat other hidden tick-borne diseases. There are vaccinations available for Lyme disease; however, in my opinion and experience the vaccinations may not be effective and I am concerned about long term autoimmune problems. It is for this reason the best prevention against Lyme disease is using year-round flea and tick control.


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  1. My 7 year old basset became lethargic and unable to walk with no appetite. We took her to emergency vet on Labor Day and they ran tests for 3 days but never diagnosed her with Lyme disease. The vet did place her on a week of doxycycline along with some other antibiotics and pain meds. He released her and I took her home and spoke with my regular vet. She said it sounds like she had Lyme disease but no one mentioned an extended dose of antibiotics. Tonight (2 1/2 weeks later) she died after I rushed her to emergency vet. My question is if I had extended her doxycycline dosage, would it had prevented her death. She was breathing heavily and had blood tinged drool when she died. I’m beside myself if I could have prevented this.

    • Dr. Michael Dym, VMD veterinarianSeptember 19, 2014 at 11:57 am · Reply

      I highly doubt she had lyme disease, as dogs with lyme dont typically die like this so quickly. More likely she had some sort of tumor, given her breed, most likely in chest or abdomen, like the spleen. Hemangiosarcoma is a malignancy in dogs that an present this way. Only a necropsy can give you exact cause but Ihighly doubt she had lyme disease.

  2. Jersey is our Medium shorthair Dauschund, about 6 years old. About 1.5months ago she woke up and was limping on front leg. It got better on it’s own after about a day or so. About a week later she was limping again on the opposite front leg. It too went away on it’s own. About 3-4 weeks ago she seemed to not be feeling well, was running a temp of about 105. We took her to the emergency vet and $1700 later they said she may have an enlarged spleen and could have lymphoma. We did send off slides of an asprid of the spleen but it was negative for anything bad (not sure what they looked for specifically). We followed up with our regular vet and he said the spleen was enlarged but it was uniform, so unlikely a tumor or anything like that. We have had her on antibiotics for about two weeks and she has seemed 100% normal. He said continue these antibiotics for about 30 days. Well this morning she woke up and is suddenly holding her back leg up. (Went to bed 100% fine last night). We figured maybe it will get better on it’s own again like the last two times with the front legs. I checked on her a couple hours later and she was obviously in pain so I rushed her into the vet. She felt all around and nothing made the dog yelp, she said everything “felt” fine but did prescribe some meloxidyl liquid. I gave it about half hour ago but poor dog is still moaning and won’t lay still. I don’t know if the different leg pains and the fever are associated, or associated with today’s new symptom. She is otherwise a good healthy fun dog so I don’t know what has been going on. Hopefully someone can help. We are quickly going broke after spending upwards of $3000 now with no real answers or resolution. 🙁

    • Dr. Michael Dym, VMD veterinarianSeptember 22, 2014 at 12:41 am · Reply

      Given the breed, sounds like a back problem or disc issue which often does not even show up on routine x rays, although certainly your local vet can look for these on x rays. I would ask your vet for trial with pain meds like metacam, gabapentin and tramadol for a few weeks and see if limping goes away. If not, may need MRI of spine

  3. Oh also a tick test was done and sent off that took two days. They said it was negative. We live in Colorado and I’m told ticks aren’t really a problem here. (I’ve never even seen one myself). We did go camping a few months ago and afterwards checked the dog. She does have a small bump in her armpit. But it hasn’t grown or changed since then. It’s underneath the skin.

  4. Hello, my 5 year old Golden Retriever has tested positive for Lyme disease each of the last three years, including today. He has never showed symptoms and we were told by many that it was normal. This is the first year that he tested positive for Ehrlichiosis (or at least having the antibody). Should we be concerned, or is it a similar situation to the Lyme disease positive test? He has no symptoms and is in great overall health. I’ve been told by a former vet (now virologist) that we shouldn’t worry or do the additional tests unless he shows some signs on illness. Is that a solid plan? Thanks!

    • Dr. Michael Dym, VMD veterinarianSeptember 26, 2014 at 9:28 pm · Reply

      Excellent questions. Answer would depend on which veterinary internal medicine specialist you speak to. Most vets DONT treat positive lyme tests, unless symptomatic. As for Ehrlichiosis, most vets will treat with 3 to 4 weeks of doxycycline, even if asymptomatic, due to the potential severity of this disease.

  5. Ive been enjoying reading this post its been quite informative. A few month ago my beagle 5-7y/o) tested positive for lyme and they talked me into doing another test for it as well. I was supposed to get a script for doxycycline but this was right at the time of the price spike and I couldnt afford $250 on top of the $400 from the appappointment. I felt very pressured and deceived by my vet, my dogs only sypmtom is lethargy but thats even hardly noticeable because hes never been super active. the only other concern I had was hes gotten very white this year but the vet didnt care. Do you think I need to treat it? Also have minocycline from my other dog would I be able to give him that? thanks

    • Dr. Michael Dym, VMD veterinarianSeptember 29, 2014 at 3:56 pm · Reply

      Minocycline is fine to use as a substitute. Check with your local vet…. Actually many other cheap antibiotics kill the bacteria that causes lyme disease just as well i.e amoxicillin, cephalexin, etc. Doxy covers other tick born diseases but these other two antibiotics work for lyme just as well!!!

    • Barbara M CrawfordJuly 31, 2015 at 6:22 pm · Reply

      Our Labs were once again diagnosed with Lyme. The vet cost for Amoxicillin was $92.00 for the two of them. I called Walmart and was told it would be around $15.00. The vet was fine with calling in a prescription to Walmart, saving us a ton of money. Just an FYI.

  6. hi,my 35lbs shelti was just diagnosed with lyme disease.the vet told me to put my dog on a diet and he gave me a script for minocycline 100mlx2 a dog did well but on the third day he started throwing up.i called my vet and they told me to give the dog pepcid ac ,feed the dog and wait 20 min before giving him the minocycline,i tried that and he still threw everything up.oh my dog was tested twice for lyme in 1 week and his quantitive c6 antibody test result was 51-u/ml. Any suggestions would be greatly appreciated.

  7. Hi my parents 5 yr old neapolitan mastiff was tested positive for lyme about 2 months ago. She had no real symptoms and it was just found during her routine check up. My parents put her on doxycycline for a normal cycle and she took it relatively fine.

    Recently for about 5-6 days or so she has been on and off limping on her front right leg. She doesn’t whimper at all on her own and doesn’t whimper when I try touching her to see if something is sore (maybe because shes such a large dog).

    Not sure if I should be worried or not. The limping isn’t consistent. Sometimes I can’t tell if she is limping or not, sometimes its obvious. She has had a decent amount of changes though. The week before she started limping I started walking her fairly regularly on the sidewalk. My parents also got a new couch and now the couch is off limits for her. So she typically lays on her doggy bed on her side now.

    • Dr. Michael Dym, VMD veterinarianOctober 4, 2014 at 3:31 pm · Reply

      The limping should be checked out by a vet. Could be soft tissue injury from over exertion. I doubt secondary to lyme issue.

  8. Hey, I have a 4 yearold american bully…..she had been yeping and flea biting around her body leaving me to think she may have got bit my a tick maybe 3-5 days ago…., she is indoor dog 90% of the time, still eating and drinking normally but been acting lazy the last day or two…….what do you think? any home remedies? also do you think its a tick? or if it is will it cure herself without meds?

    • Update: shes eating fine and drining fine….wont get up on stuff…yelping/whining at different times randomly…stool is normal…..being lazy and the whining getting more often or whatever hurting her more…..has a little bit of a fever and runny nose.

    • Dr. Michael Dym, VMD veterinarianOctober 26, 2014 at 8:31 pm · Reply

      Best to have vet check and evaluation before I can make any specific recommendations. I would not assume tick born disease unless evaluated by vet. Hard to say if from tick bite or something else which is why a vet exam is recommended.

  9. I have an 8 month old boxer/beagle and recently discovered what looks to be 2 deer ticks on her neck. I removed them with tweezers and used rubbing alcohol and antibacterial soap. Both areas are read and scabby. My kids said they seen the 1st one over a week ago and thought it was a mole. Although she has no symptoms of Lyme disease, looking at the time line, I am fearful of her being infected. Please advise.

    • Dr. Michael Dym, VMD veterinarianOctober 28, 2014 at 3:17 pm · Reply

      Most dogs who are exposed to lyme disease have NO symptoms of lyme and get over it find on their own. I would just monitor her, and see your vet if signs of lethargy or limping develop. I would recommend good tick prevention such as the pill Nexguard from 1800petmeds.

  10. I have a four month old German shepherd who started limping with one leg and now both for the past three days. He also seems very lethargic , I have noticed he finds it very hard to get off his hind legs.
    We are in India in a small town and there isn’t many vets around. Plz help and advise
    Many thanks

    • Dr. Michael Dym, VMD veterinarianNovember 3, 2014 at 4:07 pm · Reply

      Many possibilities from an injury to hip dysplasia. Unfortunately not much I can tell you to do over the internet, as this is one that needs a vet exam. You could try a natural remedy called Traumeel from 1800petmeds to see if it can help.

  11. Hi Dr. Dym!

    My 5 yr old basset began limping on his left rear leg Saturday. Monday I took him in to the vet & the blood test came back for Lyme disease and he also has a yeast infection in between his toes on the same side as his lame leg. My vet believes limping is from L.D., & gave us antibiotics as well as ointment for the yeast infection. It’s now Thursday & he still has a limp and definitely isn’t himself–seems depressed & doesn’t have much of an appetite. Have you had experience with dogs not improving to the treatment from Lyme disease? Is it possible his limp is just from the yeast infection & will take more time to heal? The vet did an extensive exam of his hind legs & felt no other abnormalities. Thanks in advance!

    • Dr. Michael Dym, VMD veterinarianNovember 13, 2014 at 11:13 pm · Reply

      HI Hailey. In my experience and opinion, lyme disease is WAY overidiagnosed as a cause of lameness in dogs. In many areas of the country MANY dogs are naturally exposed to lyme disease, and may test positive, but most NEVER develop any symptoms or get sick. The yeast infection is a possibility as a cause, as well as soft tissue injury, etc. The antibiotic most commonly used for lyme disease i.e doxycycline may cause loss of appetite in some pets. I would have a vet recheck and evaluation to tweak the meds and explore another cause or diagnosis of the lameness.

  12. Our 6 year old, 29 lb Beagle, Ellie was diagnosed with Lyme Disease, is in incredible pain and has been on antibiotics as well as Rimadyl for one week. The vet said she should be greatly better in 48-72 hours but after a week she isn’t showing any improvement, is still in great pain, unable to move much at all and doesn’t have much of an appetite. Does this sound like Lyme? Is it normal for a dog not to improve in this timeframe or should we be concerned?
    Thank you!

    • Dr. Michael Dym, VMD veterinarianNovember 19, 2014 at 5:12 pm · Reply

      Most cases that are sick from symptomatic lyme usually respond within a few days. I suspect there is another complicating disease or condition here. I would return to vet for full workup, including blood work and possibly x rays. Some dogs will need other pain meds like tramadol, gabapentin and/or even prednisone instead of the rimadyl. This breed also VERY prone to spinal DISC disease, which is my leading thought here, and in that case pred much better choice over rimadyl. Good luck and let me know how it goes.

      • They did x-rays at her first visit as well as a complete blood workup and found nothing but Lyme. We have taken her back in and we were told that she is having a die off reaction and they added Gabapentin to her Rimadyl and Doxycycline. Unfortunately she’s still in a lot of pain, not able to move around and still doesn’t have much of an appetite. We called the Vet again today due to her pain not improving and were told that because we live in Maine the cold is effecting her joint pain. I was wondering if we could possibly give her an over the counter or natural joint relief medication?
        Thank You!

        • Dr. Michael Dym, VMD veterinarianNovember 19, 2014 at 7:15 pm · Reply

          Gabapentin a good choice, as well as a more novel pain medicine like Amantadine which you can look up also on this website. As for other pain meds, try yucca intensive by azmira from 1800petmeds, as well as Tumeric, which is GREAT anti inflammatory at dose of 10-20 mg per pound once to twice daily which you can get from health food store. I personally like to approach these more holistically, so may be worthwhile looking into some of suggestions I made in my last answer. I dont buy the die off phenomenon.

        • I just wanted to give an update on our Beagle, Ellie… For almost a month our girl was in terrible pain and my husband and I deciding we’d try one last medication before we very regretfully said our final goodbye to our little floppy eared beagle. We spoke with her amazing vet and she was thinking that on top of the Lyme Disease Ellie was having a spinal disc issue which is very common in her breed and that we should try a course of steroids. After just one dose Ellie’s pain began getting better, she wasn’t crying with her every move, she wasn’t shaking anymore, she was eating some again, and after a few days she was very close to being herself again. We are so beyond happy to have our girl back again!!
          ~Heather ~

  13. I took my 3y.o. Basset hound to the vet today after I noticed a decrease in appetite, lethargic behavior, and quivering. She tested positive in the snap test for Lyme, so she was given 30 day dose of doxy. My only concern is the quivering, I’ve researched and haven’t seen any mention of quivering being an associated side effect. Please advise me as to this being normal, or should I get a second opinion? I don’t feel like the quivering was addressed by the vet as it should have been because it was a major contributing factor to me noticing something wasn’t right with my dog.

    • Dr. Michael Dym, VMD veterinarianNovember 19, 2014 at 5:08 pm · Reply

      Nonspecific quivering and/or trembling is not a specific sign of lyme disease.. Just that your dog is not in balance. A second opinion never a bad idea, but you may want to see if symptoms abate with the antibiotics after a few weeks. Sometimes lyme over blamed as a cause of symptoms in dogs, so a full workup including other blood work, x rays and/or ultrasound is sometimes needed.

      • My dog has since been diagnosed with Addison’s disease, she had dormant Lyme disease. She had her initial Addison’s crash, and is now on a monthly injection and daily pill to treat her.

  14. Our dog was diagnosed in July/August with Lyme after becoming increasingly lethargic and lame on one of her back legs (the diagnosis came several months after the first onset of limping, for which she was seen the prior April).
    She was placed on an antibiotic for about a month in addition to a steroid (I can’t recall the names of either) and after finishing the meds, seemed to have a great improvement in energy, although she still had a slight limp.
    She’s been getting more lethargic again lately, and barely puts any weight on her back leg. Her vet has run a battery of tests and xrays, but the entire office is stumped as to what is causing the limp. She’s just been placed back on another antibiotic and an anti-inflammatory. Their recommendation is to treat with an orthopedic specialist to see what’s going on with her leg.
    We can’t really afford the cost of a specialist, since I believe this could go into the $1000’s. Do you have any other recommendations on what we could do or where we could go? Are there any homeopathic options? Could the fact that she went so long undiagnosed mean that she now has permanent damage in her leg joints?

    • Dr. Michael Dym, VMD veterinarianDecember 6, 2014 at 4:58 pm · Reply

      I would not worry about permanent damage to her joints. From my experience as BOTH a 23 year experience traditionally trained vet and a holistic/homeopathic veterinarian, most of these nebulous diagnoses of “lyme disease” in dogs is WAY over diagnosed, as most dogs exposed and testing positive for lyme disease never develop symptoms or get sick, so that leaves us with what does a positive test mean? Which many still dont know. Most of these chronic lamenesses, if not due to a structural problem like torn ACL or patella luxation, are due to immune mediated inflammation of the joints and are usually managed with cortisone and/or other immune suppressive meds like atopica or cyclosporine. You would need to have joint taps for definitive diagnosis. I would encourage exploring a more holistic or homeopathic option, which is a chronic process of restoring health and balance, rather than a quick fix I can suggest here. To learn more about homeopathy, see the booklet on the website as well as the information on my website. Many homeopathic vets like myself do offer phone consultations..

  15. My 13 lb cockapoo tested positive for Lyme. Additional testing with Lyme C6, gave a number of 169 along with the suggestion of anything over 30 to be treated. I have not noticed symptons, but am concerned with her long term well-being. I read everything you say above about not treating without symptons, but since the titer showed active Lyme, I am a little uneasy not doing anything and leaving untreated. Might ledum be a solution? Or since it is active, would you suggest I treat with an antibiotic?

    Also..I have never been a fan of the spot tic treatments, but have used them reluctantly given the problems of tics in my area– rural PA where Lyme is rampant. We do spray the yard with Pyrethrin. Brevecto (Merck’s new oral tic preventative) was just suggested. Given its newness to the market and my reservations about overtreatment/over-vaccinating/over-medicating, etc, I am not 100% comfortable. What are your thoughts? Thank you 🙂

    • Additional info: My cockapoo is 3.5 years.

    • Dr. Michael Dym, VMD veterinarianDecember 25, 2014 at 10:19 am · Reply

      HI Holly. Thanks for your well thought out question. I would consider consulting with a classical, constitutional veterinary homeopath, as I dont think ledum would be helpful in this situation, based on your description. To learn more about constitutional classical homeopathy, see the booklet on the website as well as my website Many homeopathic vets like myself do offer phone consultations. Homeopathy is not quick fix and requires, time, patience and commitment, but may be worth while exploring in this situation.

  16. Hi! I have an almost 15 year old female dalmatian/pointer mix. 2 years ago she suffered from two incidents ‘old dog vestibular disease’ a few months apart from eachother. She recovered to maybe 85% with loving care.
    Otherwise, she has had no physical problems that I know of.
    For the last year she has become increasingly stiff, walking with an arched back, and having difficulty standing without falling back slowly in to a sit position. Even in the sit position her front legs will begin to slide out from under her. She has also become fecally incontinent.
    One vet I saw simply said she is old and that “the pack would have killed her and eaten her by now” in the wild ! His diagnosis w/o x-rays was arthritis. He has her on Deramaxx.
    I finally went for a second opinion to another more hositically minded vet. She took x-rays and said suprisingly there was little arthritis noticeable in either her hips or back. The vet also said her reflexes & range of motion are good. She prescribed Adequin shots and laser therapy. My dog also tested low for thyroid, so vet put my dog on Soloxine.
    My dog doesn’t seem to be improving with the Adequin and laser therapy. And all I notice from Soloxine is a possible decrease in appetite, which is alarming as she is already very thin.
    It suddenly occurred to me that my dog could have Lyme disease. I live in No. California where we have lots of deer ticks. My dog is wobbly & unbalanced, lethargic, and depressed, with low appetite. Sometimes she limps noticeably, othertimes she is just very stiff looking.
    I’d love any advice you can give– I don’t want to just write off my dog as being old, if there is an actual disease process going on that I could help her with.

    • Dr. Michael Dym, VMD veterinarianDecember 25, 2014 at 9:41 am · Reply

      Sorry to hear of her issues. Even though no obvious findings on x rays, that does not rule out underlying joint or in this situation more likely neurological spinal disease, based on your constitutional history of her symptoms of vestibular issues, etc MRI’s of spine would be needed, which are very expensive and not going to change how we manage her situation at this age. . The second vet does not sound too holistic to me, as I doubt this dog has a thyroid issue if she is thin to begin with. I would work with a constitutional homeopath, such as myself on a more individualized approach to the issue, using single constitutional homeopathic remedies, along with nutritional supplements over time to hopefully help with quality of life. I DONT think you will ever get a specific diagnosis of her issues, and I think the approach I outline here gives you the best option. To learn more about constitutional homeopathy, see the booklet on the website as well as the info on my website. Many constitutional homeopaths, like myself do offer phone consultations.

  17. My 11.2 pound, 6 year old poodle just tested positive for Lyme via the Tick Serology test done with his Heartworm test.

    The vet (my regular practice but a new vet there) wants me to bring in a urine sample before starting treatment. I’m confused as to why since his blood work already shows that he’s positive for Lyme, although Asymptomatic. My understanding is that she wants to check for proteins in the urine to check kidney function. If that urine test comes back normal, she recommends no Lyme treatment at this time but another Lyme test in the future. I’m definitely missing something…I still don’t understand how protein in the urine will change the fact that he tested positive for Lyme disease. Can someone explain? Thanks!

    • Dr. Michael Dym, VMD veterinarianJanuary 7, 2015 at 7:11 am · Reply

      Excellent questions. While there are no uniform standard treatments of lyme positive dogs, if your dog has no symptoms of lyme disease, than treatment is probably not indicated as most dogs who are exposed to lyme disease get over it on their own with no treatment, and a positive test simply means exposure at some point in the past, but NOT necessarily mean active infection, especially if no signs. Purpose of urine protein test is to check if your dog may have very rare form of lyme kidney disease known as lyme nephropathy, which is not likely given the breed, but if excessive protein in urine, should be treated.

  18. Hi I just got a free puppy that is 12 weeks old he’s a Chihuahua mix he was dirty and had one big tick on him I can feel the bones on his back like he needs more meat there but his belly is round he has a lot of energy and he eats good and pops fine but he farts a lot and it stinks so bad lol do u think he can be really sick I’m going to take him to the vet tomorrow to get his fist shots what do u think I should ask the vet to check on him do u think its going to cost alot ?

    • Dr. Michael Dym, VMD veterinarianJanuary 16, 2015 at 1:02 am · Reply

      At this age most likely has intestinal parasites so a stool check for that, as well as preventative worming likely indicated with pyrantel, nemex or panacure C, along with his vaccinations.

  19. I need a REAL opinion. Our vet just graduated in 2014 and I’m lacking faith in her abilities. We took our dogs in to get them checked after a bout of diarrhea with Sophie and their normal checkups. Both are Lhasapoo’s. Since one was 7 it was recommended to get senior blood work done. Upon receipt of the results we found that Sophie has kidney disease. Her BUN/UREA is 131 and her CREA is 1.9 and her ALB is 2.6. The VET asked if we wanted to do a Lyme disease test and her number came back positive at 89. We had the other dog tested and all her numbers were fine except for the fact she came back positive as well for Lyme at 84. Both were put on Minocycline by the VET although they NEVER had any symptoms of Lyme.
    Now I have a serious problem. Neither one of them will eat now. We tried starting Sophie, on the kidney food for her KD but she won’t eat it. Sadie, our other dog is acting the exact same way. The only thing I can get either of them to eat is Oscar Mayer Chicken/Pork bologna or Chicken Nuggets which neither of them are a good alternative to dog food however I need to get something into them as they are losing weight. I have about two weeks left on Sophie for her medicine and 3 weeks for Sadie. I can’t keep feeding them this stuff, especially Sophie who has Kidney Disease but doesn’t act like it and doesn’t show any symptoms.

    What recommendations can you give me because I hate to see them suffer like this without eating. They would always eat ANYTHING I would give them. I had them on the best dog food that money could buy that was totally natural but they don’t want it.The VET just keeps saying that it’s all about the quality of life for Sophie, like she doesn’t have much time left. Any suggestions would be IMMENSLEY appreciated by my girls.

    • Dr. Michael Dym, VMD veterinarianFebruary 2, 2015 at 11:56 pm · Reply

      Continue all medications unless instructed by your local vet. Consider home diets for kidney disease in book Dr Pitcairn’s guide to natural health for dogs and cats by Richard Pitcairn, DVM, phd which are much better than commercial diets.

  20. Dear Doctor,

    1. About 10 days ago my 2 yr old Lab was diagnosed with Lyme disease after showing symptoms: ran 103.6 F fever, was very lethargic, stopped eating.

    2. Since then he is on
    a. Doxycycline 100 mg twice a day
    b. B complex
    c. Iron
    d. Liv 52

    3. He is not having fever since last three days for which I had given him Paracetamol 500 + Nimesulide 100 mg twice a day. I stopped it three days ago.

    4. But he has started limping since yesterday.

    5. Is it normal with Lyme?

    6. Will the limping go away on its own?

    Please help!

    thanks and regards

    • Dr. Michael Dym, VMD veterinarianFebruary 9, 2015 at 11:17 pm · Reply

      Most dogs who develop symptoms from lyme exposure suffer from an autoimmune component. See your vet about possible cortisone trial, as well as put on good supplements like super joint enhancer from 1800petmeds.

  21. I have 2 lhasa apso/poodle mix female dogs who both tested positive for lyme disease. Sophie is 7 and Sadie is 6. Sophie had the Senior blood work done which showed that she had kidney disease. The vet then tested her for Lyme and it was positive. So then we took in Sadie for the Lyme test she tested positive. I had the second test done ( titer) I believe and Sophies number was 89 and Sadies 84. The vet put them both on minocycline 50 mg. Both of my dogs WILL NOT eat. We have tried everything. I called my vet and was told that they have to have the treatment for Lyme Disease. But I don’t know how long they can go with out eating. If I stop their medication what harm can i do to them.?Sophie has 8 days left and Sadie has 14 days left. Thank you!

    • Dr. Michael Dym, VMD veterinarianFebruary 9, 2015 at 11:14 pm · Reply

      In my opinion if they are getting sick i.e loss of appetite from meds I would stop giving the antibiotics, but see your vet about this. Most of time lyme disease is due to autoimmune response, and not due to the bacteria. Therefore antibiotics themselves are not as important in my opinion

  22. My 8 year old dog went untreated for lyme for about a month. When we took her in to vet, she went on 30 days of doxy then a week later she went on 10 more days because she still wasn’t doing well. At this point it has been 6 months later and she still shows symptoms. I have seen 3 vets and I swear that they know nothing but how to empty my wallet. She gets a fever time to time, non stop depression, stiff joints, arched back, can walk slowly but can not get off the bed herself. She eats as she always has but went from healthy 55lbs to bony 30. She still has control of her bladder and her mind is all there. Not sure what to do with this poor loved one at this point. I don’t want her to suffer, but it has been 6 months with no improvements…

    • Dr. Michael Dym, VMD veterinarianMarch 18, 2015 at 2:13 pm · Reply

      HI Matt. Sorry to be so late in getting back to you, but most of these cases of chronic lyme like symptoms are NOT due to the organism but due to an overactive or autoimmune response. In most cases immunosuppressive meds like prednisone and/or atopica/cyclosporine are needed. I would recommend you consult with a veterinary internal medicine specialist

  23. My 11 year old beagle just this Sunday woke up not being able to walk. He had a limp and was in a lot of pain. He was dignoised with arthritis before this so that’s what we thought it was. We took him to the vet and they gave us pain meds. Next day we was worse he could not walk at all not even go to the bathroom without help. Went to the get again this time different doctor. Said it was Lyme tested him and the next day blood work came back positive. Started him on antibiotics. Said he should be fine. But i am worried if he might not. Even tho he tested positive for Lyme, what if him not being able to walk wasn’t the Lyme disease and he does not get better? Is there other diseases that can cause this?

    • Dr. Michael Dym, VMD veterinarianMarch 18, 2015 at 1:45 pm · Reply

      Sorry to be so late in getting back to you on this, but in this breed I most commonly think of intervertebral disc disease and inflammation as causing these issues, even if lyme test is positive, that only means animal has been exposed to lyme, not necessarily causing current symptoms. Even the antibiotic doxycycline has anti inflammatory properties, so even using it in pets WITHOUT lyme infection can help. I hope your dog is feeling better.

  24. I have an 11 year old Beagle as well and she has had intermittant limping in her front leg for years now accompanied by pain in her spine when she goes through her dog door. Some days she will not use her leg at all and I know that can not be good for the rest of her body compensating. X-rays show nothing except good bone structure. We thought it was arthritis but there hasn’t been any pain or muscle medication that helps for more than a couple of days. We have recently started her on Gabapentin along with her muscle relaxers and pain meds. We have a secondary Vet that has just started treating her with accupunture, red light therapy and manipulation. She recommended we start her on a bone broth and grain free diet and we started that about a week and a half ago. She recommended we have her tested for Lyme. We are taking her friday to have her tested. She told us that she has a lot of inflammation present and suggested we start her on Zeel 2xday which we have done. Is there any advice you can give on top of what we are doing or meds we should take her off of?

    • Dr. Michael Dym, VMD veterinarianMarch 18, 2015 at 1:22 pm · Reply

      Sounds like good approach, although I think lyme disease testing a waste of time and money, as even if positive for exposure, that likely has nothing to do with chronic symptoms. Zeel is fine to try short term, but dont use more than a few weeks if it does not help. Other options include Tumeric at dose of 10 mg per pound twice daily added to your regimen, as well as great joint supplement like glycoflex III from 1800petmeds. You could also consider totally new and alternative approach like classical homeopathy. To find a homeopath trained in your area, see list of vets at

  25. I believe my dog had Lyme disease took many many ticks out of her in the past, is it safe to treat her without a costly vet bill, the doxycycline should be safe to give her without a diagnoses correct? I saw you state there have been no known short or long term side effects from the antibiotic she just out of nowhere got lazy with limping in the hind legs, We have stairs to the outside so very worried.

    • Dr. Michael Dym, VMD veterinarianMarch 18, 2015 at 12:30 pm · Reply

      Doxycycline should not be a problem, although we dont like to use antibiotics for noninfectious conditions, this antibiotic has known anti inflammatory effects.

  26. I have a Bichon and in 2013 he was tested a low positive and I gave him a round of antibiotics. Just had him in the vets office for a check up and regular shots and he has tested for a low positive again. We are in New York and our warmest day in about 3 or more months was 45 degrees a few days ago. No ticks seen. Since he has shown no symptoms, should I start the antibiotics again or not?

    • Dr. Michael Dym, VMD veterinarianMarch 18, 2015 at 12:27 pm · Reply

      Given he has no symptoms, I would NOT treat routinely for this condition. A positive test only indicates that he has prior exposure to lyme disease, not current infection with clinical symptoms.

  27. I have a 1 year old Labrador/Hound mix. We brought her to the vet because she usually would go to her food, and eat it all in seconds. But she wouldn’t even bother to go near it. The vet diagnosed her with lime and she’s been on the antibiotic for about 2 weeks now. But she still isn’t eating her food without us hand feeding it to her little by little..any advice?

  28. hi i have a 1 year old shih tzu female,spayed,i noticed 5 weeks ago that she was limping on right leg,she limped for 2 days and it went away,so i thought nothing of it..a few days later she starts trying to pee and couldnt so i took her to the vet and sure enough a UTI, given meds, cleared up,he did say she had crystals in her urine. a few days later i noticed she had healed from the UTI but she started being lethargic,took her back to the vet and he did an xray and confirmed there was no stones,so put her on pain med blood work was great as well…a week later she is getting worse, fever has set in now so i changed vets..this vet told me she had upper repitory infection and treated her for that..a few days later shes really not good,she barks for me to help her on and off the furniture,appitite has been great through all of this, no diaria or vomiting,whimpers when picked up, shys away from petting her and then i noticed she started shedding, and trust me my shih tzu has never shed before, so back to the vet i go, this time they put her in the hospital and treat her for hospital 3 days fever wont break,took blood and sent off to test for tick titer…still havent gotten results yet.. they told me yesterday she needed a specialist so i rushed her to an emergency animal hospital and they did an ultra sound, everything was great on that, did a joint tap and that came back positive so they sent it off i think it will come back as some form of tick disease, they gave her some predisone in her iv and im waiting now for vet to call me to see how she is ..i havent heard anything and i am worried.they did call yesterday and told me it was immune-mediated polyarthritis..she was dumping protein in her urine but not now and her lymph nodes around and under neck was swollen,i pulled a few ticks off her we live in a wooded area and the last one before all this started happening to her i pulled off the inside of her ear and then she starts getting sick, they said her immune system is weak,,is this right? do you think she will test positive for tick disease? and will she live with this immune-mediated polyarthritis?? i worry so much i wish the hospital would call me…i cant believe she was in one hospital and treated for panchritis when it wasnt that the ultra sound showed all organ were fine..thank you sorry this was so long.

  29. On Labor Day, my slightly overweight, 26# mixed breed 5 y.o. baby girl started acting like she was in pain. Out of the blue, no previous health problems. She stands there with her head down, shivering, back arched, slow shuffling walk, cries when you try and touch her, normally she’s a snuggling lap dog. Her glands in her throat swell intermittently, her appetite is on and off, depending on how she’s feeling. At first I thought she had pulled a muscle as she has short legs and a long back, so I treated with 2 baby aspirin every 4 hrs and it helped tremendously but then her episodes started getting worse and longer in duration. I’ve taken her to the vet twice, she was diagnosed with Lyme disease, she did have ticks previously removed though I use Frontline plus on my dogs. She had been on doxycycline and tramadol for 2 days but she got worse, I took her back to the vet and they gave me an nsaid and a pill for upset stomach, I believe it’s called carfarane, well the last 2 days she seems halfway normal, but at night her glands in her throat swell and she stands there with her head down, arched back, shivering and crying. Last night her throat swelled so much, I had to remove her collar because it was too tight, her tongue was hanging out, she looked like she was having trouble breathing and she just cries. I called the vet again today and they were quite rude and said they told me it will take awhile for the antibiotics to start working. Meanwhile she has to suffer? If it was a human baby, something would be done. I truly believed she was going to die last night, my heart is breaking. Her elimination is normal, I have to carry her down the 2steps to the yard cause she can make it to the door, just not down the steps. I am on chemotherapy myself and disability so my resources are very little. I’ve already spent$500 on our 2 office visits and medication. They want me to bring her back again but I don’t want to waste the precious little money I have for them not to help her. Her symptoms always are worse at night, though I consistently give her the medicine every 12 hrs as prescribed. Will her glands swelling that bad cut off her airway? Most of her symptoms sounds like Lyme disease from what I’ve read but I’m not sure cause it says the antibiotics should have shown some improvement by now. Please help asap, I don’t want her to die. Btw it was 2 different vets I went to. The specialist is over 70 miles away and nextOn Labor Day, my slightly overweight, 26# mixed breed 5 y.o. baby girl started acting like she was in pain. Out of the blue, no previous health problems. She stands there with her head down, shivering, back arched, slow shuffling walk, cries when you try and touch her, normally she’s a snuggling lap dog. Her glands in her throat swell intermittently, her appetite is on and off, depending on how she’s feeling. At first I thought she had pulled a muscle as she has short legs and a long back, so I treated with 2 baby aspirin every 4 hrs and it helped tremendously but then her episodes started getting worse and longer in duration. I’ve taken her to the vet twice, she was diagnosed with Lyme disease, she did have ticks previously removed though I use Frontline plus on my dogs. She had been on doxycycline and tramadol for 2 days but she got worse, I took her back to the vet and they gave me an nsaid and a pill for upset stomach, I believe it’s called carfarane, well the last 2 days she seems halfway normal, but at night her glands in her throat swell and she stands there with her head down, arched back, shivering and crying. Last night her throat swelled so much, I had to remove her collar because it was too tight, her tongue was hanging out, she looked like she was having trouble breathing and she just cries. I called the vet again today and they were quite rude and said they told me it will take awhile for the antibiotics to start working. Meanwhile she has to suffer? If it was a human baby, something would be done. I truly believed she was going to die last night, my heart is breaking. Her elimination is normal, I have to carry her down the 2steps to the yard cause she can make it to the door, just not down the steps. I am on chemotherapy myself and disability so my resources are very little. I’ve already spent$500 on our 2 office visits and medication. They want me to bring her back again but I don’t want to waste the precious little money I have for them not to help her. Her symptoms always are worse at night, though I consistently give her the medicine every 12 hrs as prescribed. Will her glands swelling that bad cut off her airway? Most of her symptoms sounds like Lyme disease from what I’ve read but I’m not sure cause it says the antibiotics should have shown some improvement by now. Please help asap, I don’t want her to die. Btw it was 2 different vets I went to. The specialist is over 70 miles away and next available appointment is not for several weeks. Thank you for any assistance you can give. available appointment is not for several weeks. Thank you for any assistance you can give.

  30. Hello. I have a 6 yr old golden retriever mix, we brought him for his wellness checkup last week. I received a call from our vet on Friday informing us his test came back positive for Lymes(he has no sympotms at all, acting very much his normal self). Our dog since we have owned him has been vaccinated yearly for Lymes Disease. What is alarming is the fact that he has been both vaccinated as well as treated with K9 Advantix annually/monthly as prescribed and he still received a positive result. Also, when telling me his numbers in the second test, his numbers are claimed to be off the chart (over700). the vet informed me that she wanted to prescribe 600mg of antibiotic a day for 30 days. I am all for treating my dog if he has a positive result….I am confused how a vaccination and monthly treatment of K9 would lead to this result and I am concerned at the level of mg (he weighs 69 lbs) he will be taking for a duration of 30 days. I don’t want to have new health issues stemming from the dosage. What would you recommend? We considered having a second test done, but we were informed this 4 level test is very effective (and something new at the office). Thank you in advance for your feedback.

    • After having my dog die from kidney failure due to Lyme back when they assumed (wrongly) he was protected via vaccines I would always err on precaution and give full dosages of doxycycline if symptomatic.

  31. Hello, our dog loo is a jack russell /cocker spaniel who was diagnosed with lymes 2 years ago. The vet put her on an antibiotic and a pain reliever and she was back to her old self in a few days. When she was done with the pills a month later she continued to do fine. A little over a month ago she began to show the same symptoms again, the limping, shivering, lack of appetite etc…so I took her back to the same vet and expressed concern about lymes again because I wasn’t sure if it could simply flare up or she could “re catch it”. The vet wasn’t entirely clear about that but ran the test and said her levels were very high and he gave her an antibiotic. She did get better after a few days but she was done with the pills a few days ago and is now beginning to act sick again. I’m starting to wonder if it really is the lymes or not and questioning if I need to find another vet. He said when she was done with the pills to come in and have a vaccine, which didn’t sound right at all to me since she’s had the virus for 2 years now.

  32. Hello, I have a 5 year old miniature schnauzer. He is about 24 lbs. In late July he exhibited lameness in his rear leg solved by loss of appetite a couple of days later. I took him to our regular vet who did X-rays and saw nothing wrong but prescribed Tramadol and Rimadyl. After i started the treatment his situation worsened to the point where he couldn’t get up or eat. I really thought I would lose him. I rushed into Animal Medical Center emergency room here in NYC and after a completed exam and blood work he was diagnosed with Lyme disease. Started Doxycycline 100 mg once a day for 30 daysand he got better within 48 hours and completely recovered.

    a week ago i noticed him lifting his front leg and i immediately though Lyme is back. Started him on Doxycycline and while he seems better and is eating normally and doesn’t show many pain, he still lifts his leg when he gets up from lying down for a while. a minute or so later he puts his leg down and works and runs as normal.
    My question is how long should it take before the lameness is completely gone? it’s been a week now and i am concerned…

    Also, we spend weekends upstate NY where there are a lot of deer – is this a new infection or is this the original virus awakening again? Any way to know this?
    He is on Vectra 3D year around. Don’t know what else to do to prevent this from happening again. He loved roaming our property and i know we have deer so I’m really struggling as far as whether to let him outside or not. Is there anything you can recommend as far as spraying the property or something like that that would prevent the tricks form surviving there?

    thank you

  33. I have a 2 yr. old male Golden who started limping recently. He shows no pain when manipulated. I took him to the vet 9 days ago where he was examined, tested negative for Lyme but did have a temp of 103.5. For precaution the vet is treating him for Lyme. Have 3 week supply of Doxy. My question is how long does it take for the limp to subside. Some days he seems a little better then goes back to limp. He did have a week’s worth of pain med but it has run out. He also has a 3 yr. old sister and they play really hard and rough. Our initial thought was a pulled muscle or sprain until the temp showed up. I try to keep him as quiet as possible but not easy as he always wants to be outside. He has a heavy coat and LOVES the snow! Any ideas or suggestions? Wondering if I should have it x-rayed after all the med is gone and if he still has a limp. He is my ig baby .

  34. Hello Dr.
    I have a 5yr. old collie who was diagnosed with lyme back in July. Her C6 antibody number was 103. She was on doxy for a month. Took her back 6 months later for a retest and her C6 numbers went up to 196. She has never had any symptoms. Did the first round of antibiotics not work, or possible reinfected? Should I treat again for a month as suggested by the vet?Thank you in advance,

  35. I have a 12 week old puppy n she is coughing I don’t have money to take her to the vet, I have 100 mg minocycline for dogs and I was wondering if I could give that to her?

  36. Hi my German Shepard tested positive for lymes disease last yr. It was caught in the winter were not sure how long he might have had it but he showed no symptoms. We had found a lump that was developing on his back. We took him to the vet and they checked and it was nothing dangerous they thought it was a bit of some sort. They gave him meds and it went away immediately then when the meds finished the lump returned right away. So we went back to the vet and they drained the lump. Luckily he had his annual check up where they run all blood work and a physical. They ended up finding he had lymes disease and within that week I noticed he seemed off wasn’t himself. He started his first cycle of the moxyciline (I believe that’s what it’s called) once that cycle was finished he started getting Lil joint pains in his back legs. So the vet wanted to run a full body x-ray to make sure it’s not anything genetic (as my dogs breed have hip dysplasia and spinal issues) they still couldn’t retest him for lymes disease since it’s only been a month since he first tested . (he’s 6yrs old) the vet was amazed how good his joints all looked so she knew the achs he was getting was probably muscle pain bc he still had the lymes disease so she put him on another cycle of the meds. It’s been about 9 months and I notice sometimes he gets these Lil achs. He’s a very active dog he swims alot, runs alot, plays w alot of dogs. But sometimes if he’s had a very active day his back thigh muscle achs. If this happens my vet gave me some inflammation meds/pain killer for him to take so I give it to him for about day/2 till he seems better. But will he always have these achs should I be concerned as he gets older? Should I retest him for lymes disease?

  37. I have a 9 week old Goldendoodle (Mix) puppy where we found a tick on him last week. He is being tested for Lyme in a few weeks but my concern is his quality of life having his disease if he tests positive and am looking for an idea or examples of others who have experienced this, prognosis.

    • Dr. Michael Dym, VMD veterinarianMarch 24, 2016 at 7:22 pm · Reply

      I would NOT over react to finding a tick on him. Even if the test is positive, that only indicates exposure to lyme disease. Most dogs who are exposed to lyme disease DONT get sick with any symptoms at all, and actually are able to get over it on their own. There are more accurate tests then the screening tests at the local vet office, including a C6 antibody blood test, PCR testing, etc that can be done at outside lab, and will likely be negative.

  38. Hi,
    My nearly 3yr old rescue pug just tested positive for Lyme on his Heartworm test. The vet stated that the level was so low that he was probably very recently exposed (in last 3-5 weeks). He gave me the option of performing a titre test to see how high or low his levels are or to just put him on a course of doxycycline . My dog has ZERO symptoms. I hate to just give him meds for no reason as I have read that docycyline can be very toxic to dogs–but I also don’t want to withhold treatment if it can keep him from possibly developing Lyme disease in the future. Should I perform a kidney function test to rule out kidney problems? Give him the docycline? Try another less toxic antibiotic? I’m so confused as he seems absolutely fine.
    Please advise! Thank you!!!

    • Studies show that over 90% of dogs who live in Lyme endemic areas can test positive with NO clinical signs. Most of these dogs dont need treatment. Lab tests are used to back up how the patient is clinically, and NOT to decide on treatment. If your pet is asymptomatic for Lyme disease, there is good chance that the positive test simply means exposure and an immune response and NOT necessarily infection. While further testing can be helpful, I personally DONT treat asymptomatic dogs.

  39. My dog Odin has been diognosed with Lyme disease , we are treating him with the anti biotics . My consern is his joint discomfort and appetite . Is there a anti inflamory that I use like aspirin and is there a appetite stimulant that I can give him

  40. Nonsteroidal anti inflammatory drugs of the aspirin class such as the prescription drugs metacam, rimadyl, etc are sometimes used for pain, etc but if a dog is not eating can be risky. The use of over the counter aspirin or any of these are to be discussed with your local veterinarian, and the decision to use them will be based on symptom history, etc There are also appetite stimulants that are occasionally used like prescription mirtazipine, which your vet would need to prescribe, however from the little bit of information given here, I question that there is something else; ‘OTHER than a diagnosis of “lyme disease” that could be causing the symptom here. I recommend a recheck exam with your local vet

  41. My 7 year old standard poodle has tested positive for lyme. He has no symptoms. My vet was not going to prescribe antibiotics at this time as he mentioned that they are not typically effective at removing the lyme entirely from the body. However, I suspect, due to all of my questioning he then said that we could run a course of antibiotics for 30 days.
    Am I putting my dog at risk of other complications by giving the antibiotic? Health issues down the road, etc.? Dosage is 100mg twice a day.

  42. Forgot to say it is doxycycline.

  43. And, once I start, must I finish the antibiotic the full 30 days or does it increase the risk that it would make a superbug.

    • All excellent questions. You could ask your vet for a more accurate confirmatory test sent out to lab such as a PCR lyme test or C6 antibody test, which is believed to be more clinically relevant to actual infection, rather than simply prior exposure on a simple heartworm combination 4Dx test done by many vets in their offices. Most experts in our field dont advise blanketly treating asymptomatic patients for 30 days with antibiotics, although opinions will vary across the country. As for superbug and/or other risks of 30 day doxy course, that is always a rare possibility, which is why I personally take using antibiotics for any length of time very seriously. Good luck with your decision on this

  44. I have a 2 1/2 yr old boxer that tested positive for lyme a yr ago and has been on several antibiotics, the vet says he has never seen a case like this before. He doesn’t limp or yelp, but my vet says boxers aren’t cryers. He is actually thinking about doing a case study on him. I feel so bad for the poor guy. He just lays around, once in a while he gets a burst of energy and plays for a bit. We don’t want to keep him on antibiotics and ruin his insides, he’s only been off of them for maybe 3 months out of the year.
    Have you ever heard of such a case?

    • I would NOT assume your dog has lyme disease, especially if there are NO clinical symptoms of the disease. We should NOT be treating lab results, but only if patient has symptoms. Many dogs test positive for lyme for years, yet are NOT infected and DONT need treatment. Further testing such as PCR, C6antibody test, etc can all be done, but most important indications of treating dog is if he has clinical symptoms. More importantly, you should be monitoring his urine for excessive protein loss at the vet, and if that starts to occur, then treatment with medications and supplements to help with protein losing urine problems can be started, however repetitive antibiotics are typically NOT needed and should not be used. Consider asking for referral to vet internist in your area who is expert on this, and will likely back up what I am saying here.

  45. Hello! We have a 3 year old golden male. He routinely hikes with us and, despite being on nexgard, we usually pull 10 ticks off him over the 24 hrs after our hikes. Usually they are just crawling on his fur, but rarely they have beet attached. Roughly one month ago developed right front leg pain, we rested him for a couple weeks but when it persisted intermittently we saw vet. Accuplex 4 was done for Lyme and was negative. We started a trial of more rest and NSAIDs. The right front paw limp resolved but five days later he couldn’t rise from lying down due to right hind leg limp. His hind leg symptoms were much more dramatic (and scary!) than the front leg limp which was quite subtle and only lasted a few steps after rising. We noticed the hind leg limp even when we walked a bit and he really didn’t want to walk much and he’d reduced appetite and lethargy. We rushed to vet who wasn’t sure the cause. Discussed injury but doubt as he was resting. Discussed dysplasias (how likely would this present relatively acutely in 2 separate joints). Discussed autoimmune causes. My husband and I were very worried about Lyme or other tick borne cause despite the initial negative serologies. We agreed to send a tick panel that included the c6 for Lyme (snap4 Dx plus) as well as a tick PCR panel. Still awaiting the results. We started a trial of doxy 10mg/kg/day and his symptoms completely resolved by the end of the 2nd day. Our question is, given his response should we assume Lyme or tick borne disease was culprit? Could a dysplasia or injury resolve this quickly? What about autoimmune? I realize it’s compounded by the fact that doxy has anti inflammatory properties but I don’t know how quickly you would see a response. We plan to complete a 4-6 week course of doxy and will gradually reintroduce activity in a few days (has been restricted for almost 1 week now). I suppose resuming activity (this dog hikes and runs regularly) and seeing if the limp returns will be very telling. Any thoughts on the cause or other advice would be so very appreciated, especially given rapidity of response to doxy. Thank you!

    • HI JAckie. Thank you for your post. I am sorry about the chronic mess with your dog. To summarize, most cases of tick born diseases respond RAPIDLY to antibiotics like doxycycline within a few days, HOWEVER, this particular antibiotic ALSO has a strong anti inflammatory and immuno suppressive effect, which many clients, as well as ignorant veterinarians are not aware of. THus patients who are negative for all tick born diseases, often respond to doxy, due to this anti inflammatory effect; In my opinion and experience the more common scenario is a CHRONIC relapsing AUTOIMMUNE condition in the vast majority of cases, that if the lamenesses tend to recur, usually need immunosuppressive medications like prednisone, atopica, etc In spite of mega testing on cases like this, this is what is typically found. Rarely is infectious disease the cause of chronic and relapsing lameness but usually immune mediated i.e like a lupus or rheumatoid arthritis patient. Referral to specialists in your area, who can do extensive x rays, blood work and even joint taps can be done looking for rare infectious causes. I would also try and approach this holistically as well. Stay away from over vaccination INCLUDING ANY lyme vaccination, as well as learn more about holistic approaches to disease

  46. I have a seven year old Papillion who recently tested positive for Lyme and Ehrlichiosis but did not have symptoms. After his vet visit, she put him on doxycycline. My dog went from a happy, healthy, energetic dog to a limping, sad dog. I stopped the medicine to see if that was the cause, and after a day and a half, he was not limping and happy again. I am told I need to put him back on this medicine. Can this medicine cause limping when there wasn’t any prior?

    • HI Julie. Very odd sequence of events. Very often many veterinarians in error OVERDIAGNOSE a positive lyme exposure blood test as a cause of a patient’s symptoms, and in many cases many veterinarians mistakingly use doxycycline and/or other antibiotics in NONsymptomatic dogs, based only on a blood test, which is not what the experts on this condition advise. You could consider asking your vet to run an PCR lyme blood test and/or C6 antibody test, which often more collorates with the pet’s clinical condition and in house lyme test results done at vet offices. I would NOT expect, however for your pet to GET WORSE on the doxycycline. If he is, I would ask your vet about an alternative cause of the symptoms and/or additional testing as I suggest here

  47. My dog is 11 years old. He is a 18 lb Chihuahua mix….he tested positive for Lyme on Monday of this week. He was up until then very active, ran around….now he
    Can’t even walk, he hasn’t taken a single step. I have to hold him up to pee or to drink. I took him to the ER and he was given Doxy, I gave him a dose that day and Tuesday….he wasn’t eating or drinking much so I took him to my regular vet. They gave him SC fluids, Pepcid, some nausea Med and a bland diet food. They said his kidney results showed mild elevation and to recheck it in a week…so they said Lyme Nephritis…..he’s had 3 doses of doxy total but what’s scaring me is that he isn’t walking at all! He can barely near any weight… this normal for Lyme?

    • The only true rare health threat to an OCCASIONAL animal on lyme exposure is a rare Lyme nephritis, which is more of an autoimmune response, rather than due to the bacteria itself, which is why doxycycline antibiotic not adequate if your pet TRULY has lyme nephritis. Your pet needs full urine analysis to check urine protein levels, especially a urine protein/creatinine ratio to make this diagnosis, in addition to blood work. NOT very common in toy breed like this but more in retriever and larger breeds. IF that is what your pet truly has, then additional treatment is likely needed rather than just doxycycline. I am still doubtful that this is what your pet actually has. You may want to ask your vet for referral to vet specialist or internist in your area who can make sure diagnosis is correct and best treatment

    • Also Kara, consulting with a holistic veterinarian on this also might be helpful, if lyme nephritis is present, as traditional medical care prognosis on this is bleak if that is actual diagnosis To learn more see Many holistic vets offer phone consultations

  48. Our 3-year-old long-haired chihuahua recently tested positive for Lyme Disease in a routine exam/work-up. Our vet gave us the option of treating her though she had no symptons whatsoever. She has been taking 50 mg twice a day (for 30 days) and she is currently half-way through her prescription…her stomach is rumbling, she is eating little, and she clearly doesn’t like this medication…she knows it makes her stomach upset. I called the vet and he said it’s normal for the doxycycline to give and upset stomach. I am seriously considering discontinuing this treatment after everything I’ve read here and what I see…basically a dog that is not sick at all being subjected to a medication she doesn’t seem to require. My question is will I do her harm by stopping the medication altogether? Thank you so much!

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