The Triworm-D Dog Dewormer Tub is a worm remedy against ascarids, hookworms, whipworms and tapeworms in dogs. It will help with your dog's immune system and fight off any unwanted intruders. You should make it a habit of regularly deworming your dogs every 3 or 6 months to control worm infestations. Your puppies should be dewormed every 2 weeks between the ages of 2 to 12 weeks and at regular intervals thereafter. Dogs should be dewormed before mating and 10 days after whelping. It is requested to refer to the package insert and product packaging for complete details before using the specific product. Please consult your vet prior to use for adequate and current recommended dose prescription.