Must be administered for 3 consecutive days. Easy to feed granules; mixes into food. Safe for young puppies over the age of 6 weeks, pregnant female dogs and heartworm infected dogs. Safe and effective way to treat Tapeworms, Roundworms, Hookworms and Whipworms Includes 3 pouches; each pouch treats for a 3-day treatment Treats puppies 6 weeks or older, dogs and pregnant femalesMix with food for easy ingestion FDA approved