Ask a Dog Vet and Get Answers to Your Dog Health Questions
Welcome to Justanswer! I am Dr. Altman and happy to assist you both today!Yes trifexis is safe for your Sheltie. The ingredient we tend to avoid in Shelties is ivermectin and even ivermectin based heartworm prevention has been tested on Shelties and Collies and are found to be safe in the dosages used in heartworm medicationTrifexis contains milbemycin and spinosad not ivermectin...As with any new medication for Angus, please consult with your veterinarian about any risks but there are no causes for concern with the medication and his breedPlease let me know if I can be of any further assistance to you both today!
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