Flea-free in a flash! ⚡ Starts killing fleas in just 30 minutes! Perfect for cats of all ages and sizes. Quality tested and trusted by professionals. No prescription required for hassle-free treatment. Safe to administer daily if needed. Fast-acting No prescription needed For cats 2-25 lbs Capstarnitenpyram Oral Flea Treatment for Cats is a fast-acting solution that begins eliminating fleas within 30 minutes. Designed for cats weighing 2-25 lbs, this vet-recommended treatment comes in a convenient 6-dose pack and requires no prescription. It's safe for all life stages and can be administered daily to combat re-infestations.