My Pet Just Got a New Prescription

When your pet gets a new prescription, ask your vet for information about the new drug.

When animal guardians are given a new prescription for their animal, it is important to be aware of certain facts regarding the prescription drug, just as in human medicine. Of course, each veterinary prescription should come with a complete label that includes the date of the prescription, name, amount and strength of the medication, as well as how often and how long a medication should be continued. I usually like an expiration date also to appear on the label as well.

In addition, it is also important for veterinarians to communicate whether there are any side effects of the medication, as well as what to do if doses are missed or if a pet should vomit the medication. Many medications are more safely given with food, and if a medication such as a steroid or non-steroidal anti-inflammatory medication is used, it is often preferable to have blood work done before use, as well as periodically should these medications be continued long term. With more expensive medications, it is also helpful for an animal guardian to know if there are any generic equivalent medications that may be more economically feasible for the pet.

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  1. This is a question, not sure if this the right place.

    My dog, Charlie Bear, has CHF. His daily dosage of Furosemide is 12.5mg 3 times a day with a meal and snack. Prior to this order, I purchase the 12.5mg Furosemide from 1800PetMeds. To save money, I ordered the Furosemide 80 mg this time. I assumed I could grind the 80 mg pills to powder and then weigh out a dosage of 12.5Mg on my milligram scale for Charlie. In the order for the 12.5mg pills, each of the tablets weighed between 12.2 and 12.5 mg.

    With the current 80 mg order, each of the tablets weigh around 32 mg. From what I understand, the milligram amount listed on the package and the actual amount in the tablet can be lower because a concentrated form of the drug or a salt is used which weighs less but is equivalent. So an 80mg table may weigh 30mg but contains enough of the active ingredient to be equivalent to 80 mg of Furosemide. This is not a new situation for me – I have the same issue with several of Charlie’s medicines.

    What I wanted to double check is my method for measuring a dosage for Mr. Charlie Bear.

    Charlie’s Dose of 12.5 mg this is equal to 15.6% of an 80 mg Furosemide tablet. Therefore, I would take the tablet that weighs approx 32mg and mulitply the weight by 15.6% for a WEIGHED dosage of 5 mg.

    Alternately, I could split the tablets in half (40 mg equivalent) and then into thirds.


  2. Dr. Michael Dym, VMD veterinarianAugust 31, 2012 at 3:34 pm

    For these type of questions I would refer you to 1800petmeds pharmacist Gary Koesten who you can likely speak to directly to address these dosing questions.

  3. Thanks – I left a message with pharmacist Lily this morning and was trying to explore other options for answer. Do I just call pharmacist Gary Koesten? I have the number.
    I just want to double check my method.
    Thanks so much!

    You guys are truly amazing!! Much more than a website — so different from most places today.

  4. Dr. Michael Dym, VMD veterinarianAugust 31, 2012 at 10:36 pm

    Sorry to hear of your experience with this product. Reactions are possible with any topical pesticide products.

  5. Dr. Michael Dym, VMD veterinarianAugust 31, 2012 at 10:37 pm

    I would check with Gary Koesten on this by calling 1800petmeds.

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