Milbemax beef flavoured all wormer tablets treat and control all major gastrointestinal worms of cats including roundworm, hookworm and tapeworm. When given monthly they also protect your cat from heartworm. Treats and controls all major intestinal worms of cats, including roundworm and hookworm Also controls tapeworm Protects from heartworm when given monthly Kittens are first exposed to intestinal worms soon after birth, as they commonly become infested with roundworm transmitted in their mothers milk. Adult cats are exposed to worms through soil in the outdoor environment, as well as from eating small animals like mice who can act as intermediate hosts for some species of gastrointestinal worms. Heavy infestations with worms can cause diarrhea, weight loss, poor growth and anemia. Kittens are particularly susceptible to problems caused by infection with intestinal worms, so they should be wormed more frequently than adult cats. Kittens should be wormed every fortnight from 2 to 12 weeks of age, then every month until 6 months of age. Adult cats and kittens over 6 months old should be wormed at least every 3 months. Safe for kittens weighing over 0.5kg from 6 weeks of age as well as pregnant and lactating queens.