Eliminating fleas on your pet is easy with Capstar® (nitenpyram) because CAPSTAR provides fast flea relief for your dog or cat. In fact, it begins to work within 30 minutes to kill adult fleas. You will literally see fleas falling off your pet! Capstar should only be used for pets over 6 weeks in age and over 1kg in weight - it is also safe for pregnant or nursing dogs and cats. CAPSTAR should be given orally, with or without food, on any day when fleas are seen on the animal. No more than one treatment should be given per day.