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Capstar for Cats is a short-term oral flea treatment designed to provide fast relief from flea infestations. The fast-acting tablet begins killing fleas in just 30 minutes, meaning you may actually see dead fleas fall off your cat shortly after dosing.
Formulated with nitenpyram, it eliminates adult fleas before they can lay eggs and contribute to an infestation. Capstar tablets are easy to administer and help control fleas without the mess of topical treatments.
Help your cat get immediate relief from itching and discomfort caused by fleas with the vet-recommended Capstar flea treatment.
Capstar flea tablets contain nitenpyram, an active ingredient that effectively kills adult fleas on cats. Nitenpyram is an insecticide that targets the nervous system of fleas, causing rapid paralysis and death of adult fleas. It kills fleas before they can lay eggs and reproduce.
Capstar Pink begins killing fleas within 30 minutes of administration and eliminates over 90% of adult fleas on cats within 4 hours.
Use the Capstar for Cats dosage chart below to select the appropriate pack size:
| Cat’s Weight | Dose | Nitenpyram per Tablet |
| Cats and Kittens (2–25 lbs) | One tablet | Capstar Pink (11.4 mg) |
*For cats over 25 lbs, administer an appropriate combination of tablets.
Capstar (nitenpyram) is a fast-acting oral flea treatment that kills adult fleas before they can lay eggs and start an infestation.
Capstar is indicated to kill adult fleas on cats.
No, Capstar does not work on flea larvae. Additional environmental control measures may be required as flea larvae in the environment continue to mature into adult fleas.
You may notice that your cat starts scratching after taking a Capstar dose as fleas begin to die. This scratching behavior is temporary and is a reaction to the fleas, not the medication.
Capstar can be used daily to control and treat flea infestations. However, a monthly flea prevention treatment is recommended for long-term protection.
Yes, Capstar can be administered by hiding it in a treat or a small amount of pet food.
If your cat has fleas while using a monthly flea treatment, consult your veterinarian to check whether Capstar can be combined with other treatments.
You can buy Capstar from BudgetPetCare at affordable prices. Check BudgetPetCare for competitive pricing and seasonal offers.
Disclaimer: This information is based on the details provided on the official product label and manufacturer documentation. It is not intended to substitute professional veterinary advice. Please consult your veterinarian before administering any treatment.


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