**Your furry friend must have a current heartworm test result on file with your veterinarian in order to be prescribed heartworm medication. Please visit your veterinarian to have this test performed annually to protect your four-legged friend.** Interceptor Plus is a monthly, broad-spectrum parasiticide prescribed by your vet to help prevent heartworm disease. Plus, it treats and controls adult roundworm, adult hookworm, adult whipworm and adult tapeworm. It comes in a tasty, chewable tablet, making dosing easy for you and your pet. **Proudly sourced directly from the manufacturer or their approved distributor. Guaranteed genuine and backed by the manufacturer.**