Rocky Mountain Spotted Fever in Pets

Filed under Dr. Dym's Vet Blog
Rocky Mountain spotted fever is a tick-borne illness transmitted by the American Dog tick

Rocky Mountain spotted fever is a tick-borne disease that has been seen in increasing numbers in recent years, as veterinarians are doing more and more testing for tick-borne diseases. There are several species of ticks that may be involved, but the American Dog tick is the most common one incriminated. Depending upon the dog’s immune status, some pets will develop acute signs of Rocky Mountain spotted fever, while others may develop more chronic forms of this condition. An inflammation of the blood vessels secondary to infection is believed to be the cause of most of the clinical symptoms in infected dogs.

The clinical signs of Rocky Mountain spotted fever are quite variable, but may include lethargy, loss of appetite, lameness and stiffness, swollen joints, bleeding from the mouth, anus or urinary tract, as well as bruising on the skin. Pneumonia and cardiac arrhythmias may also be seen. Many times, neurologic complications may occur.

Diagnosis of Rocky Mountain spotted fever is best made by recognizing the clinical signs, in conjunction with blood antibody testing to document recent exposure and infection. Recently, newer PCR blood tests are now available for many tick-borne diseases. Treatment of Rocky Mountain spotted fever usually involves one month of therapy with the antibiotic Doxycycline. In rare cases, pets may need cortisone to help lessen the immune response.

Prognosis for full recovery is excellent, however occasionally pets may experience flare-ups months or years later. Because of the potential for human infection with Rocky Mountain spotted fever, it is very important to implement a good tick prevention program with products such as K9 Advantix II or Frontline Plus.

Read Related Posts on PetMeds® Blog:

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  5. Ehrlichia in Dogs: Symptoms and Treatment

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