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Cats + Parasites

  • Selamectin + sarolaner is used topically on the skin to treat various parasites, both on and off-label, and prevent heartworm in cats. Side effects are rare but may include hair loss at the application site, gastrointestinal upset, skin reactions, or neurologic signs. It should be used with caution in sick or underweight cats. If a negative reaction occurs, please call your veterinary office.

  • Von Willebrand's disease causes an inability for blood to clot resulting in excessive bleeding. If this disease is suspected, initial screening tests include a complete blood count (CBC), buccal mucosal bleeding time, and a coagulation profile. More advanced diagnostics include assays that assess the quantity and functionality of vWF. DNA testing is available and most commonly used to evaluate animals used in breeding programs.

  • Whipworms are intestinal parasites measuring about 1/4 inch (6 mm) in length. They live in the intestinal tract of cats where they can cause severe irritation. Whipworm infection results in watery diarrhea, weight loss, and general debilitation. Fecal testing will not detect every infection. Whipworm infection in cats is rare in North America but cases appear to be rising.