Capstar (nitenpyram) Oral Flea Treatment for Cats
Capstar · Flea & Tick

Capstar (nitenpyram) Oral Flea Treatment for Cats

An oral flea tablet containing nitenpyram, dosed for cats 2–25 lbs. It is designed to act on adult fleas already on the animal rather than to provide ongoing monthly cover.

Best for Rapidly clearing adult fleas already on a cat

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Who it's for

Primary use: Short-acting knockdown of an active adult flea burden.

It is aimed at cat owners dealing with:

  • A visible, active flea infestation on the cat right now
  • Bridging the gap before a monthly preventative takes effect

Key features

Brand
Capstar
Category
Flea & Tick
For
Cats
Best for
Rapidly clearing adult fleas already on a cat

What it does well, and where it falls short

Designed to help with

  • A visible, active flea infestation on the cat right now
  • Bridging the gap before a monthly preventative takes effect

Limitations worth knowing

  • Short-acting by design — it does not provide ongoing monthly protection
  • Does not address flea eggs and larvae in carpet, bedding and soft furnishings
  • Weight band of 2–25 lbs applies
  • Speak to your veterinarian before use in kittens, pregnant cats or cats with existing health conditions

Alternatives

Other products in the same category, for comparison:

The product is only part of the answer. These guides cover the underlying problem:

Frequently asked questions

Has PetMessFix tested this product?

No. This page is an overview compiled from the manufacturer's listing. We do not claim hands-on testing, and we do not publish ratings or scores for products we have not used.

Why is there no price on this page?

Retail prices change frequently, and publishing a figure that goes out of date is worse than publishing none. Check the current price on the retailer's page.

Who is this product not suitable for?

Short-acting by design — it does not provide ongoing monthly protection. Does not address flea eggs and larvae in carpet, bedding and soft furnishings. Weight band of 2–25 lbs applies. Speak to your veterinarian before use in kittens, pregnant cats or cats with existing health conditions.

Does PetMessFix earn from this link?

Yes. PetMessFix may earn a commission when you purchase through links on this page, at no additional cost to you. It does not affect what we write — see our editorial policy.

Capstar (nitenpyram) Oral Flea Treatment for Cats

Rapidly clearing adult fleas already on a cat

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