: Buy directly from your vet after an exam.

Federal law restricts this drug to use by or on the order of a . 🩺 Why a Prescription is Necessary

: Veterinarians ensure the dosage fits your dog's weight and health.

: Professional oversight helps manage potential reactions like vomiting or lethargy. 🛒 Where to Purchase

🚩 : Avoid websites claiming to sell Trifexis without a prescription. These products may be counterfeit , expired, or unsafe for your pet.

: Dogs must test negative for heartworms before starting.

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.