My Cat Has Worms Drontal Cat Allwormer $27 Drontal Allwormer is used to control gastrointestinal worms and tapeworms in cats and kittens. Drontal consists of two drugs, Praziquantel and Pyrantel. In combination, they provide the desired therapeutic effect against internal parasites affecting cats. Manufactured by No Manufacturer Listed Available sizes Brand Extra Large Cat 2 [...]