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2x PetCareRx Points
RX
Requires Prescription
At a Glance
Safe for use in dogs and cats
Prevents flea infestations for a full 30 days
Kills fleas within 30 minutes

Comfortis

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. [+]

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This product requires a prescription.
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Customer Reviews

Rated 4.8 out of 5 by 208 reviewers.
Rated 5 out of 5 by Effective but Expensive- I would still recommend it highly Very effective for our 3 Dalmatians. Pros - Effective Cons 1. - not in a chewable tablet. Not yummy by our dogs, so a little harder to give. 2 Expensive - wait for discounts I would recommend trying it it. We have used Comfortis for 2 years and not a single flea. October 9, 2014
Rated 4 out of 5 by good product this product works very good for my dog, its easy for him to take as is if he feel like it, or i can smush it up and put it in a smushed up hot dog October 2, 2014
Rated 5 out of 5 by Works great Although it is pretty expensive, when you battle fleas, you know you'll pay almost anything to get rid of them. Comfortis does just that. My dog doesn't eat it like a treat, but when mixed with his food, he does eat it. September 30, 2014
Rated 5 out of 5 by The product has always been an ecffective one.. good product ... has always worked for my dogs..I wish it was a chewable pill rather than a hard pill September 10, 2014
Rated 5 out of 5 by Doesn't poison your other pets I asked the vet to recommend something for my cats that wasn't applied to their fur because they washed topical flea meds off each other. Comfortis fills the bill. Sometimes they will chew it, other times I have to pill them. September 4, 2014
Rated 1 out of 5 by Useless! I gave Comfortis to my two cats days ago. They are still scratching. With its high price tag Comfortis seems to be absolutely useless. Makes me wonder if the positive reviewers were paid. Oh how I miss the original Advantage - fleas were gone almost instantly. Any suggestion of what works to get rid of fleas would be appreciated. August 31, 2014
Rated 5 out of 5 by Works great. This product is a little pricy but it was the only thing I could use to keep fleas off. My dog was being eaten alive with them. Within two days after first using Comfortis, I could not find any fleas. August 26, 2014
Rated 5 out of 5 by Love this product! I have been using this product over a year now and just love it! No more dealing with putting drops on Jake and it not working. Since he has been on Comfortis, he has not had a flea. I will continue using this product. Yes it is a little pricey, but it works and that is all I care. August 20, 2014
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Customer Q&A

Lilly Flea & Tick Comfortis Flea Preventative http://cdn.petcarerx.com/img/PrdImg/095x095/13044_001_m.jpg 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. prescription 98.59 Condition: new In stock! Order now!
Comfortis Flea Preventative 5 out of 5 0 based on 208 ratings.