Lilly Comfortis http://cdn.petcarerx.com/img/PrdImg/095x095/13044_001_m.jpg Available in a chewable tablet, Comfortis kills fleas and prevents infestations in your dog or cat. This product is safe for dogs and kittens as young as 14 weeks and available with a prescription from your veterinarian. Retail Price: 118.99 $ $90.99 In stock! Order now!
Comfortis 5 out of 5 based on 146 ratings.
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This product requires a prescription.

Available in a chewable tablet, Comfortis kills fleas and prevents infestations in your dog or cat. This product is safe for dogs and kittens as young as 14 weeks and available with a prescription from your veterinarian. More Information about Comfortis »

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About Comfortis
Comfortis is an FDA-approved, beef-flavored chewable tablet flea treatment, that starts to kill fleas within 30 minutes and prevents flea infestations for 30 days. This unique approach to flea control provides the convenience of ultra fast treatment, with prolonged efficacy. Comfortis contains Spinosad, which activates nicotinic acetylcholine receptors in the flea, causing the flea to seizure, then die.

While other flea treatments do not continually repel fleas, Comfortis keeps your dog or cat flea-free for 30 days at a time. There's no need to isolate your dog or cat from other pets. Comfortis is for dogs and cats 14 weeks and older.
Key Benefits of Comfortis
  • Kills fleas within 30 minutes in dogs and cats
  • Prevents flea infestations for a full 30 days
  • Convenient once a month chewable tablet
Who's Comfortis For?
Dogs, cats and pups, 14 weeks and older, who suffer from flea infestation
Care Instructions
Store at room temperature.
Comfortis Specifications
Ask your veterinarian or consult with one of our pet care specialists at 1-800-844-1427.

This information is for informational purposes only and is not meant as a substitute for the professional advice of, or diagnosis or treatment by, your veterinarian. Always seek the advice of your veterinarian or other qualified professional with any questions you may have regarding a medical condition. Never disregard or delay seeking professional advice due to what you may have read on our website. Our medications are FDA approved and/or EPA regulated when and as required by law.
Comfortis Ingredients
Spinosad
Generic Alternatives to Comfortis
Spinosad
How Does Comfortis Work?
Comfortis attacks the nervous system of the flea, paralyzing then killing the fleas.
Side Effects and Warnings
Comfortis is associated most commonly with vomiting. Other possible reactions are depression, decreased appetite, diarrhea, itching, trembling, hypersalivation, and seizures. Comfortis may be used concurrently with heartworm prevention products, as they are directed.
Manufacturer Lilly

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petrx(16 articles )
Rated 4.9 out of 5 by 146 reviewers.
Rated 5 out of 5 by Great drug and easy to use!! This is a great product, but unfortunately my veterinarian has it cheaper at their office. April 17, 2013
Rated 4 out of 5 Wonderful Living in the south where fleas are everywhere this has been a Godsend. Once I started it no fleas at all on dogs or in the house.... October 7, 2012
Rated 5 out of 5 Best Ever! My 110 lb smooth collie is and will always be flea free with Comfortis. Won't ever go back to anything else because this WORKS ALL THE TIME!! September 4, 2012
Rated 5 out of 5 Comfortis for a sensitive dog We brought our "baby" home two and a half years ago. He had Parvo and no tolerance for grains or high carbohydrate dog foods; we searched until we discovered that he did well on a low carbohydrate raw foods diet. Treats from well intended friends and strangers remind us of his sensitive stomach, so we are so happy that he tolerates Comfortis. In addition to being well fed, healthy and happy he enjoys freedom from fleas, a big deal here in Houston! September 2, 2012
Rated 5 out of 5 Comfortis Seems to be working fine. My puppy wouldn't chew it so i had to trick him. He didn't have any adverse reaction. Good so far. Only bad thing is that it kills only fleas and not ticks or any of the other stuff. We will see how it goes. August 27, 2012
Rated 5 out of 5 Comfortis works! I live in south Louisiana, and the family dog is part Labrador Retriever. He loves to dive into anything wet - so Advantage and similar products do not work for him. Comfortis kills the fleas on him, and consequently helps our cats as well. The dog does not like the taste of Comfortis, so we hide pieces of the pill in things he likes - like chicken meat. If he can't smell the pill, he'll gulp it down. August 6, 2012
Rated 5 out of 5 no fleas I have not seen any fleas on my dog since she started Comfortis as a puppy, either in the hot humid summers of coastal South Carolina nor in our unusally warm summer in PA. The vet recommended it because she has a sensitive stomach and can't tolerate some medicines. August 4, 2012
Rated 5 out of 5 Excellent flea control Wonderful product that works much better than Front Line! July 24, 2012
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