No, you cannot buy over the counter (OTC) in the United States . 💊 Prescription Requirements Trifexis is an FDA-regulated medication. A valid prescription from a veterinarian is mandatory.
: Some human pharmacies stock pet medications. can i buy trifexis over the counter
: Veterinarians ensure the dosage fits your dog's weight and health. No, you cannot buy over the counter (OTC)
: Dogs must test negative for heartworms before starting. can i buy trifexis over the counter
Federal law restricts this drug to use by or on the order of a . 🩺 Why a Prescription is Necessary