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Comfortis Flea Preventative

Product Reviews

Comfortis is the first beef-flavored chewable that both kills fleas and prevents infestations in your dog or cat for a full 30 days. This product is safe for puppies and kittens as young as 14 weeks. More »

$98.59 - $117.59
Available Options:
  • Dogs - 5-10 lbs. or Cats - 4-6 lbs., 6 months supply Add to Cart
  • Dogs - 10-20 lbs. or Cats - 6-12 lbs., 6 months supply Add to Cart
  • Dogs - 20-40 lbs. or Cats - 12-24 lbs., 6 months supply Add to Cart
  • Dogs - 40-60 lbs., 6 months supply Add to Cart
  • Dogs - 60-120 lbs., 6 months supply Add to Cart
  • Dogs - 3-5 lbs. or Small Cats, 2-4 lbs., 6 months supply Add to Cart
Rated 4.8 out of 5 by 196 reviewers.
Rated 5 out of 5 Works when nothing else does!! We moved from Virginia to Illinois with our two year old mini schnauzer when we discovered the killer IL flea. Our dog had always been on soe of the best flea medicine known to man and these fleas laughed at it and now we foud out she was allergic to the fleas. 200 hunderd dollars letter and one dose of comfortis and our problems are over. We will never use another product!! A must!!! October 18, 2008
Rated 5 out of 5 the best so far tried them all. no problems with this one. it got rid of the ones in house to, used for 2 months. haven't needed to use for 2 months since using product. have on hand just in case. October 4, 2008
Rated 5 out of 5 Be sure to give with food! Fleas have becom immune to Frontline and Advantix in Florida. Had a flea outbreak this summer. Frontline did not phase the buggers. Groomer suggested Comfortis ...IT WORKED!! Gave to 4 dogs 2 months ago and none had a problem. Have not had a problem since!! Wonderful stuff!!!! October 2, 2008
Rated 5 out of 5 no problems I give it to my Boxer and my American bull. haven't experienced any side effects! Fleas gone in 2 hours. Great product. September 24, 2008
Rated 5 out of 5 AWSOME Gave it to the dog 45 lbs. Didn't get sick, started to notice a difference right away. Gave it to him on 9/2/08. I have tried everything. Frontline Plus, Borax on the carpet( which did seem to help alot....Really), Baths with Dawn Dish washing soap ( that works too). But Man this Comfortis is the best thing to hit the market in years. In the long run, it's the most bang for your buck!! September 3, 2008
Rated 3 out of 5 seems to be working I use Comfortis on my 3 minature doxies. They have been taking it for atleast 4 months and they have never vomited because of it. Fleas went away and seemed to come back, I was going to change products but they seemed to have disppeared again.... August 28, 2008
Rated 3 out of 5 Janice, Sam's Mom Gave this to my 7 1/2 lbs maltese while on vacation. We rented a condo that was infested with fleas and he is highly sensitive to them. He did not get sick from the medication and it worked great as far as killing the fleas but his breathing has been heavy and he has been scratching ever sense we gave it to him which was 3 days ago. August 25, 2008
Rated 5 out of 5 great stuff Gave it to 6 dogs & only 1 tossed her cookies. Took care of the fleas right away. Been having serious problems until now. Even the house cats are better because the dogs don't have fleas. August 25, 2008
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