The requirement for a prescription is not just a legal formality; it is a critical safety measure for your pet. Can I Get Heartworm Medicine Without a Vet? - Penny Paws
In the United States, you legally buy Heartgard (or its generic equivalents) over the counter. It is classified by the FDA as a prescription-only medication, meaning you must have a valid prescription from a licensed veterinarian who has an established relationship with your pet. Why a Prescription is Required can you buy heartgard over the counter