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Heartgard Plus

Heartworms are transmitted to dogs and puppies by mosquitoes.

Without the protection of a heartworm preventive, your pet could develop heartworm disease, a potentially deadly illness.

Once a dog is infected with heartworms, treatment can be difficult and expensive.

HEARTGARD Plus is the #1 choice of veterinarians for a reason: it's the only heartworm preventive that offers you all this.

Guaranteed to be 100% effective in preventing heartworm disease (when used as directed).

The one-of-a-kind Real Beef Chewable that dogs love.

A wide margin of safety for all dogs and puppies over six weeks old.

The most protection against intestinal worms available in a heartworm preventive.

The Brand You Know.

The Protection You Trust