Drontal Cat Tablets Contra-indications, warnings, etc Not intended for use in kittens less than 6 weeks of age. Do not use simultaneously with piperazine compounds. Until sufficient studies have been performed with this combination, do not use during pregnancy. User Safety In the interests of good hygiene, persons administering the tablets directly to a cat, or by adding them to the cat’s food, should wash their hands afterwards. For animal treatment only. Keep out of the reach of children Environmental Safety Empty containers or part used product should be disposed of with household refuse. Unused product should be disposed of in accordance with any guidance from an appropriate waste regulation authority.