Heartgard Plus for Dogs

Monthly heartworm prevention medication trusted by veterinarians. Protects dogs from heartworm disease and treats roundworms and hookworms.

About Heartgard Plus

Heartgard Plus is a monthly chewable tablet that prevents heartworm disease and treats and controls roundworm and hookworm infections in dogs.

Heartworm Prevention

Prevents heartworm disease by killing heartworm larvae before they mature into adult worms that can cause serious heart and lung damage.

Intestinal Parasite Control

Treats and controls roundworms and hookworms - common intestinal parasites that can affect dogs and potentially humans.

Easy Administration

Beef-flavored chewable tablet that most dogs eat willingly. Given monthly for year-round protection against heartworms and intestinal parasites.

Important Information

Dosage & Administration

  • Given monthly, year-round
  • Dosed by weight (check package for correct size)
  • Can give with or without food
  • Start puppies at 6-8 weeks old

Safety & Side Effects

  • Generally safe when used as directed
  • Not for use in Collies or similar breeds without vet approval
  • Rare side effects may include vomiting or diarrhea
  • Requires prescription from veterinarian

Effectiveness

  • Prevents heartworm disease with monthly administration
  • Treats existing roundworm and hookworm infections
  • FDA approved and veterinarian recommended
  • Works on heartworm larvae in early stages

Before Starting

  • Dogs 6 months or older need heartworm test first
  • Must have prescription from licensed veterinarian
  • Discuss any medications your dog is taking
  • Year-round prevention recommended even in cold climates

Important: Heartworm Testing

Dogs 6 months of age or older must be tested for heartworms before starting Heartgard Plus. If your dog has existing heartworm disease, treatment is required first. Never give heartworm prevention to a dog with active heartworm infection without veterinary guidance.

Consult Your Veterinarian

Heartgard Plus requires a prescription from your veterinarian. Discuss your dog's heartworm prevention needs and ensure proper testing is done before starting any heartworm medication.