Product was successfully added to your shopping cart.
Free Shipping Over $49
Call Now! 877-847-7389

You have no items in your shopping cart.

  • Capstar For Dogs and Cats Capstar For Dogs and Cats
  • Capstar For Dogs and Cats Capstar For Dogs and Cats

Capstar For Dogs and Cats

by Novartis

* Required Fields





  • Capstar is an orally administered tablet. So there’s no odor or messy application on your pet or in your home. 
  • Capstar's oral tablet provides protection that can’t rub or wash off.
  • CAPSTAR is safe for puppies and kittens four weeks and older, weighing two pounds or greater, as well as for pregnant or nursing dogs and cats. 
  • You can safely give a dose of CAPSTAR as often as once per day. 
  • CAPSTAR starts working within 30 minutes
  • A single dose of CAPSTAR should kill the adult fleas on your pet, You will literally see fleas falling off your pet. 



 Not for human use. Keep this and all drugs out of the reach of children.

Possible Side Effects:

Side effects that may occur in dogs include Lethargy/depression, vomiting, itching, decreased appetite, diarrhea, hyperactivity, incoordination, trembling, seizures, panting, allergic reactions including hives, vocalization, salivation, fever, and nervousness. Side effects that may occur in cats include Hyperactivity, panting, lethargy, itching, vocalization, vomiting, fever, decreased appetite, nervousness, diarrhea, difficulty breathing, salivation, incoordination, seizures, pupil dilation, increased heart rate, and trembling. There are no known drug or food interactions

Product Facts:

CAPSTAR Tablets begin working within 30 minutes. In studies, CAPSTAR achieved greater than 90% effectiveness against adult fleas on dogs within 4 hours and cats within 6 hours.

CAPSTAR Tablets are safe for pregnant or nursing dogs and cats (See Post-Approval Experience section).

When using this product, you may notice that your dog or cat will start scratching itself as fleas begin to die. The scratching behavior is temporary and is a reaction to the fleas, not the drug. In cats and dogs, this may present as transient signs of hyperactivity, panting, vocalization and excessive grooming/licking.

CAPSTAR Tablets kill adult fleas that cause flea allergy dermatitis (FAD).

CAPSTAR Tablets may be used together with other products, including heartworm preventives, corticosteroids, antibiotics, vaccines, de-worming medications, shampoos and other flea products.

Storage Conditions

Store at controlled room temperature, between 59° and 77°F (15°-25°C).




CAPSTAR Tablets kill adult fleas and are indicated for the treatment of flea infestations on dogs, puppies, cats and kittens 2 pounds of body weight or greater and 4 weeks of age and older.

A single dose of CAPSTAR should kill the adult fleas on your pet. If your pet gets re-infested with fleas, you can safely give another dose as often as once per day.

To give CAPSTAR Tablets, place the pill directly in your pet’s mouth or hide it in food. If you hide the pill in food, watch closely to make sure your pet swallows the pill. If you are not sure that your pet swallowed the pill, it is safe to give a second pill.

Treat all infested pets in the household. Fleas can reproduce on untreated pets and allow infestations to persist.


CAPSTAR Tablets should be administered according to the following schedule. Weigh your pet prior to administration to ensure proper dosage. Do not administer to pets under 2 pounds.

Recommended Dosage Schedule


Body Weight


Nitenpyram Per Tablet

Dog or Cat

2-25 lbs.

One tablet

11.4 mg


25.1-125 lbs.

One tablet

57.0 mg

*Please see separate insert in this package for concurrent dosing of CAPSTAR Tablets and PROGRAM® (lufenuron) Flavor Tabs®.


Active Ingredients

CAPSTAR Tablets contain 11.4 or 57.0 mg of nitenpyram, which belongs to the chemical class of neonicotinoids. Nitenpyram kills adult fleas.

Additional Information

Is Rx Product No

Free Shipping

Free Shipping

Need Help?

Need Help?

Read "Ask Dr. Barry"