A single dose of Capstar Oral Flea Tablets for Cats starts killing fleas within 30 minutes and achieves greater than 90% effectiveness against adult fleas within 6 hours. Capstar kills adult fleas that may cause flea allergy dermatitis. Capstar Oral Flea Tablets treat flea infestations in cats and kittens 2 pounds of body weight or greater and 4 weeks of age or older. It is safe to give as often as once a day if your pet gets re-infested with fleas and can be given with or without food.
The U.S. Food and Drug Administration (FDA) has issued an Emergency Use Authorization for generic Nitenpyram for the treatment of New World Screwworm infestations (myiasis) in dogs, puppies, cats, and kittens that weigh at least 2 lb and are at least 4 weeks old.