Safe for Puppies, Too HEARTGARD Plus prevents heartworm disease in dogs as young as 6 weeks of age with no minimum weight requirement.
What age can puppies have Heartgard?
HEARTGARD Chewables are recommended for use in dogs 6 weeks of age and older. ADMINISTRATION: Remove only one chewable at a time from the foil-backed blister card.
When should I start giving my puppy heartworm medication?
Puppies and kittens should be taking heartworm prevention medication monthly as young as 6-8 weeks old. They are just as prone to getting infected as older dogs and cats, so the prevention must start as soon as possible.
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