- Chew + Heal's wormer liquid for puppies and kittens can help with roundworms. - Piperazine citrate helps to paralyze and expel roundworms from the body. - Our dog dewormer for large dogs, and small, and medium dogs is also good for all breeds. See the package for the recommended dosage. - The dewormer for kittens can be given to dogs and cats 6 weeks or older. Mix it into their food or water. - Made in the USA.