Drontal Cat XL Film-Coated Tablets (Ellipsoid) Drontal Cat XL Tablets are used to treat gastrointestinal worms. Drontal Cat XL Tablets are effective against both roundworms & tapeworms. Worms can be a serious threat to your cat's health & well-being, so routine worming every 3 months is essential. Give one tablet per 6kg of bodyweight. Warnings & Contraindications- Do not give to kittens who are less than 6 weeks old. Pregnancy & Lactation- Safe to use during lactation, but do not use during pregnancy. For further product information please click on the link below. This will take you to the Veterinary medicines directorate (VMD) website where you can search for the product and see the most up-to-date Summary of product characteristics (SPC).