Is There A Flea And Heartworm Pill?
Is There A Flea And Heartworm Pill? Each of the three heartworm and flea pills available (Trifexis, Sentinel and Sentinel Spectrum) require a prescription from your veterinarian, who will first need to perform a heartworm test to ensure that your dog is not already infected. Is there a flea tick and heartworm pill for dogs?