Overview Capstar® (Nitenpyram) is a simple, easy-to-use, oral flea control product for dogs and cats that quickly kills adult fleas.

  • Starts killing fleas within 30 minutes
  • No labeled side effects
  • Can be used along with other flea control products and medications commonly dispensed by veterinarians, including heartworm preventives, deworming products, shampoos and antibiotics
  • Eliminated from a pet’s system rapidly, which enhances safety and reduces the opportunity for fleas to develop resistance
  • Can be used on puppies and kittens as young as 4 weeks old as long as they weigh at least 2 pounds
  • 1 dose kills more than 90 percent of adult fleas on dogs within 4 hours and on cats within 6 hours

2-25 lb, Blue, Dogs

2-25 lb, Blue, Dogs/Cats

2-25 lb, Pink, Cats

25 lb and Up, Green, Dogs