The Revolution is here!

We the cats of America deserve freedom from the oppression of our worst enemies: fleas, heartworm, ear mites, hookworm (Anycylostoma tubaeforme) and roundworm (Toxocara cati ). Complete parasite protection begins and ends with Revolution® (selamectin).

Liberation begins with owner education, so take action now - bring your owner to your veterinarian today. And while you're at it, get your paws on a mouse and click here to learn more about Revolution.

Feline Heartworm Resources

Learn more about one of your cats greatest enemies - Feline Heartworm. Click here to visit www.knowheartworms.org.

Play Our Online Game

Parasites are pestering your cat – can you fight them off and keep your cat safe? Test your skills at the Cats Of the Revolution™ Online Game and see if you can keep your cat protected from some of the most harmful parasite predators. Click Here to Play

Finding Help

Use our Vet Finder tool to locate a licensed veterinarian in your area that can help you to make the right decisions in preventing cat health problems like fleas and heartworm. Vet Finder...

EPA Advises Precautions on Use of Spot-On Pesticides
on Dogs & Cats
As a pet owner, you may have seen a recent update from the Environmental Protection Agency (EPA) regarding safety issues with a number of the spot-on pesticides commonly found in pet stores and veterinary hospitals. To avoid confusion, we wanted you to be aware of the following information.

Revolution is a prescription-only, FDA-approved medication available only through a veterinarian – and is NOT a pesticide registered by the EPA. Although topically applied, Revolution is a systemically acting, broad-spectrum parasiticide that has a well defined safety profile combined with excellent efficacy to help protect your dog and cat against a wide variety of parasites. Your veterinarian is the best source of information to ensure the proper healthcare of your pet.




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Revolution is generally well-tolerated. In studies, <1% of cats and dogs experienced digestive upset. Approximately 1% of cats experienced temporary hair loss at the application site. Do not use in sick, weak or underweight animals.

The product information provided in this site is intended only for residents of the United States. The products discussed herein may have different product labeling in different countries.

The health information contained herein is provided for educational purposes only and is not intended to replace discussions with a healthcare provider. All decisions regarding patient care must be made with a healthcare provider, considering the unique characteristics of the patient.