Fidos All Wormer Tablets for Dogs & Cats is an excellent oral treatment for various types of intestinal worms. The all wormer tablet is effective in the treatment of worms, including roundworms, whipworms, and tapeworms (including the hydatid tapeworm), in cats, dogs, kittens, and puppies. Fidos All Wormer Tablets are ideal for multi animal households, as both dogs and cats can be treated with this same product.