For the treatment and control of worms in your dog quickly and effectively with this easy-to-administer dewormer for dogs 40 lbs and heavier. For the treatment and control of roundworms, hookworms, whipworms, and tapeworms. Pour the appropriate dose directly over your dog's food for three days in a row, at least once every 6 months. Combine pouches to obtain the correct dosage amount. An inexpensive and convenient alternative to a visit to the vet. If you continue to see tapeworm segments in your dog's stool after treatment, consult your veterinarian. Roundworms and hookworms may pose serious human health risks; regular deworming may help reduce those risks. Do not deworm a dog or puppy that is sick; consult your veterinarian. | Merck Safe-Guard 4-Gram Canine Dewormer | Size 3 Count