Where To Buy Heartworm Medication May 2026

You cannot buy genuine heartworm preventatives over the counter for several safety reasons:

: Reputable sites like 1-800-PetMeds , Chewy, and Allivet offer competitive pricing on brands like Heartgard and Interceptor. You will need to provide your vet's information so the pharmacy can verify the prescription. where to buy heartworm medication

: Major retailers with pet divisions, such as Walmart PetRx or Costco , often carry heartworm preventatives at lower prices. You cannot buy genuine heartworm preventatives over the

Once your pet has a current, negative heartworm test and a prescription from a vet, you can purchase medication from the following types of retailers: such as Walmart PetRx or Costco