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Revolution for Cats 5.1-15 lbs

Keep your cat safe from heartworm disease, fleas, roundworms, hookworms, and ear mites by giving him/her Revolution once a month. Your cat will be... Learn More
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Keep your cat safe from heartworm disease, fleas, roundworms, hookworms, and ear mites by giving him/her Revolution once a month. Your cat will be protected from all of these bugs with one monthly topical treatment making it easy and convenient to keep your cat protected!

What is Revolution for Cats? Revolution is a topical medication applied on a monthly basis. When applied as directed, it is effective in providing your cat with protection against heartworms and fleas. It is also effective in preventing and treating ear mites, roundworms, and hookworms.

Formulated for: Revolution can be safely applied to cats and kittens over 8 weeks of age. This medication can be safely given to pregnant and nursing cats.

How is this medication given? Revolution is a topical medication. It is applied to your cat’s skin once a month. It is generally recommended to apply this medication on the same date each month. Some veterinarians recommend applying Revolution every month for all 12 months of the year. Others may recommend giving it only during the mosquito season so check with your veterinarian regarding his/her recommendations. If given seasonally, the first dose must be given within 30 days of the pet's first exposure to mosquitoes. The last dose needs to be given within 30 days after the pet's last exposure to mosquitoes. You should give the first dose of Revolution one month prior to the expected start of the flea season for optimal flea control. To apply this medication, part the hair on your pet’s back at the base of the neck in front of the shoulder blades. The tip of the tube should then be placed at the desired site. Squeeze the tube 3-4 times to empty all of the liquid on the skin. Do not rub into skin. Do apply Revolution to broken skin. If your cat’s hair coat is wet, do not apply until it is completely dry.

How does this medication work? Revolution works by disturbing the parasite's nerve transmission. Selamectin is the active ingredient that is effective in paralyzing the parasite’s nervous system. This medication targets feline heartworms (Dirofilaria immitis) in their immature stage. It is also effective in killing adult fleas (Ctenocephalides felis) and preventing flea eggs from hatching for one month. Ear mites (Otodectes cynotis), roundworms, and hookworm infections in cats can also be effectively controlled and treated with this product if it is used correctly.

What results can I expect? Revolution should kill feline heartworms in their immature stage. It is effective in providing protection from worms that your cat was exposed to in the preceding month. Ear mites can be eliminated with one treatment but a second treatment a month later may be necessary to solve the problem entirely. Your veterinarian will provide you with instructions on how to use Revolution so always follow his/her recommendations. Fleas are generally killed within 36 hours of application but they may linger especially if the pet was already infested with fleas when Revolution was applied.

What Form(s) does Revolution come in? This medication is a topical liquid that is applied to the skin monthly. Each dose is packed individually. Revolution can be purchased in boxes containing a 3-month, 6-month, or 12-month supply that is suitable for your cat’s weight.

Generic Name: Selamectin (Common Drug Name)

Common Brand Name: Revolution (Pfizer Animal Health)

Uses: Revolution in Cats is preventative medication that is applied once a month. It helps kill heartworms (Dirofilaria immitis) in their immature stage and controls and treats ear mites (Otodectes cynotis). Revolution is also effective in the control and treatment of roundworms and hookworms in cats. Revolution also kills adult fleas (Ctenocephalides felis) and prevents flea eggs from hatching for one month.


  • FDA-approved
  • Safe and effective against heartworm disease and fleas.
  • Ear mites, hookworms, and roundworms can also be controlled and treated.
  • Provides adequate protection if applied once a month which makes dosing convenient.
  • Applied on your cat’s skin so oral administration is not necessary.

Dose and Administration: The dose of Revolution is based on your cat’s body weight. Apply Revolution exactly as directed by your veterinarian. If you do not understand the directions, ask your veterinarian to explain them to you. Revolution is available as individual unit of use applicator tubes containing the specific amount of medication for your cat. Do not split the contents of each vial. Hold each tube upright and press cap down until the cap punctures the applicator seal. Part the hair at base of neck and place tube on visible skin area. Squeeze the tube 3 or 4 times in one spot until empty. Keep tube squeezed to avoid drawing liquid back into tube. Ensure tube is empty before discarding.Bathing or shampooing your pet 2 or more hours after treatment will not reduce the effectiveness of Revolution. If a dose is missed, give it as soon as you remember. If you miss more than one monthly dose of Revolution, contact your veterinarian for further instruction before re-starting the medication. Revolution should be given only to the pet it was prescribed for.

Possible Side Effects: Side effects are rare but are always possible. Side effects may include incoordination, trembling, or drooling. If Revolution is accidently given orally, you may see drooling and vomiting. Temporary hair loss at the site of application has also been reported. Contact your veterinarian immediately if your pet displays any unusual symptoms once Revolution has been applied.

Drug and Food Interactions: Do not use while using another heartworm medication. When switching from another heartworm medication, you should begin Revolution when the next dose of the heartworm medication is due. There are no known drug or food interactions with this medication, but consult your veterinarian before using.

Revolution for Cats 5.1-15 lbs
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