But what are the active ingredients and is Heartgard safe for dogs? Here’s what you need ... is an intestinal dewormer that kills hookworms and roundworms. Most pet parents and veterinarians ...

The chewable tablets are safe for puppies 12 weeks or older and small dogs 6.0 to 25 lbs. The broad-spectrum dewormer comes in chewable tablets, making it easy and convenient to give to your dog.