: Heartgard Plus , Simparica Trio, and Interceptor Plus. Topical Solutions : Advantage Multi and Revolution.
Yes, you can buy heartworm medicine at PetSmart , but from a veterinarian . Heartworm preventatives are regulated by the FDA and cannot be sold over the counter in the United States. How to Buy at PetSmart can i buy heartworm medicine at petsmart
Pet Supplies, Accessories, and Pet Food - Pet Stores | PetSmart : Heartgard Plus , Simparica Trio, and Interceptor Plus
💡 : Most veterinarians require an annual heartworm test before they will approve a new prescription or refill. This ensures it is safe to start the medication, as giving preventatives to a pet that already has heartworms can cause severe or fatal reactions. : Heartgard Plus