Heartgard is sold as a prescription drug in a maximum of a 12 month supply per cat per year. To buy the same size for more than one cat, add what you need to the cart. You can split the amount to different cats in checkout.

• Consult with your veterinarian before administering this product, and follow their specific directions for us.
• Read and follow the prescription label carefully for storage information, possible side effects, and drug interactions.
• Give the exact amount prescribed and only as often as directed.
• Do not skip doses or stop giving the medication without consulting your veterinarian.

Most veterinarians require and the American Heartworm Society recommends an annual heartworm test before prescribing Heartgard heartworm preventive for your pet.

Talk with your pet's veterinarian for more information and to find the best flea and tick preventative to complement Heartgard Plus.