Sentry WormX Plus 7 Way De-Wormer Catalog Animal Health Sentry WormX Plus 7 Way De-Wormer Manufacturer : Sentry Pet Care Description Available without prescription! 2 Flavored Chewables. For the treatment and control of: Tapeworms, Roundworms, Hookworms. Small Dogs and Puppies- 6.0-25 lbs Medium and Large Dogs- 25.1 to 200 lbs Rates Please contact us for current pricing and availability.