: These are FDA-approved medications that require professional oversight to ensure the correct dosage and frequency for your pet’s specific weight and health status. Tips for Saving Money Heartworm Basics
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: where to buy heartworm medication
: 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. : Pets must be tested for existing heartworms
: Pets must be tested for existing heartworms before starting medication. Giving preventative meds to a pet that is already heartworm-positive can cause a dangerous, sometimes fatal, reaction. This is often the most convenient way to
: Most pet owners buy directly from their vet during their annual checkup. This is often the most convenient way to ensure you get the correct dosage immediately.
: Major retailers with pet divisions, such as Walmart PetRx or Costco , often carry heartworm preventatives at lower prices.