asked

My dog, a mixed breed part lab and possibly bassett, shepard, or border collie, has been on Interceptor for years but won't take Trifexis pills. I want to switch to Heartgard Plus but am worried about potential ivermectin allergies. My vet didn't want to test for allergies. Should I insist on the test before starting Heartgard Plus?

December 14th, 2023

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