CAPSTAR is a fast-acting oral flea treatment designed specifically for cats weighing between 2 to 25 pounds. This effective solution starts killing fleas within just 30 minutes of administration, making it an ideal choice for pet owners looking for quick relief from flea infestations. With a single dose of CAPSTAR, you can expect to see a remarkable 90% reduction in adult fleas within six hours. As the fleas die, you will notice the dead fleas falling off your pet, further confirming the treatment's effectiveness. Suitable for cats and kittens as young as four weeks, CAPSTAR ensures safety and effectiveness while keeping your beloved pets comfortable and flea-free.