CAPSTAR For Cats
A single dose of CAPSTAR (nitenpyram) should kill the adult fleas on your
pet. If your pet gets re-infested with fleas, you can safely give another
dose of CAPSTAR (nitenpyram) as often as once per day. To give CAPSTAR
(nitenpyram) Tablets, place the pill directly in your pet's mouth, or hide
it in food. If you hide the CAPSTAR (nitenpyram) in food, watch closely to
make sure your pet swallows the pill. If you are not sure that your pet
swallowed the CAPSTAR (nitenpyram), it is safe to give a second DOSE OF
CAPSTAR (nitenpyram). Treat all infested pets in the household with CAPSTAR
(nitenpyram). Fleas can reproduce on untreated pets and allow infestations
to persist. CAPSTAR (nitenpyram) Tablets contain 11.4 or 57.0 mg of
nitenpyram, which belongs to the chemical class of neonicotinoids.
Nitenpyram kills adult fleas.
Frequently Asked Questions About Capstar
Q: What is Capstar?
A: Capstar is an oral tablet for the treatment of flea infestations on
dogs and cats. Capstar contains the compound nitenpyram.
Nitenpyram interferes with fleas' neurotransmission, killing them very
Q: How quickly does Capstar work?
A: Capstar begins working within 30 minutes. In clinical studies,
Capstar achieved greater than 90 percent effectiveness against adult fleas
within 4 hours on dogs and within 6 hours on cats.
Q: How long will Capstar last?
A: Capstar is a short-duration flea adulticide. It does not prevent
fleas from returning. A single dose of Capstar should kill the adult
fleas on the pet. If the pet gets reinfested, it is safe to give
another dose as often as once per day.
Q: How is Capstar different from other flea products?
A: Capstar is the fastest flea relief that does not leave pesticide
residue on the pet or in the home. Unlike topicals that can take up to
24 hours to become effective, Capstar begins working within just 30 minutes.
Q: Is Capstar safe?
A: Capstar has a remarkable safety profile. No adverse reactions
were reported in controlled studies with exposures up to 10 times the
recommended dose. It is safe for pregnant and nursing animals.
Q: Can young puppies and kittens take Capstar?
A: Capstar can be used by puppies and kittens 4 weeks of age and older
and 2 pounds or greater.
Q: How often can dogs and cats use Capstar?
A: A single dose of Capstar should kill the adult fleas on the pet.
If the pet gets reinfested with fleas, it is safe to give another dose as
often as once per day.
Q: If I am not certain a pet actually swallowed the Capstar pill, is it
safe to give another?
A: Yes. If you are not sure that a pet swallowed the pill, it is
safe to give a second pill.
Q: Can Capstar and lufenuron be used together?
A: Studies have shown that Capstar and lufenuron can be used safely
Q: Can Capstar be used in conjunction with other products?
A: Yes. Capstar tablets may be used with other products, including
heartworm preventives, corticosteroids, antibiotics, vaccines, de-worming
medications and shampoos.
Q: Only one pet in the household has fleas. Should all the pets in
the household take Capstar?
A: Any pet that has fleas should take Capstar. However, Capstar is
only part of a total flea management program. All pets in a household
should be treated with an insect growth regulator to prevent the development
of immature stages of the flea. This will prevent fleas from
reinfesting your pet. Studies show that Capstar can be used safely
Q: What is the Novartis recommendation for a flea management program?
A: Novartis has always recommended that you address both aspects of the
flea problem. This includes the 85% of the flea population that are
immature fleas, which are effectively controlled by a product like lufenuron
(Program Flavor Tabs) and the 5% of the flea population that are adult
fleas, which are effectively treated by an adulticide, like nitenpyram
(Capstar). In studies, lufenuron was safely used with Capstar.