For the treatment and control of worms in your dog quickly and effectively with this easy-to-administer dewormer. For the treatment and control of roundworms, hookworms, whipworms, and tapeworms in dogs 11-30 lbs (medium-sized dogs). 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 2-Gram Canine Dewormer | Size 3 Count