Tape Worm Tabs are an over the counter dewormer that work against both of the major tapeworm speciesDipylidium caninum and Taenia taeniaformis Occurring when a cat or dog ingest a flea that has in turn ingested a tapeworm larvae the parasite attaches to the intestinal wall where it grows up to six inches within a matter of weeks Tape Worm Tabs makes it impossible for the tapeworm to make the initial attachment leaving them to travel down the intestine and into the stomach where they are digested and expelled Safe to use in pets over six weeks of age Tape Worm Tabs should be a part of every pet parents medicine cabinetOther products from PetCareRx