7Comfortis Tablets

Comfortis Tablets

7Comfortis Tablets
2.8

241 reviews

PositivevsNegative
43% · 103129 · 54%

Side Effects None, Short-term illness, Long-term illness and Death
Value for Money
2.0
Ease of Use
2.1
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Reviews

241 reviews
Peter Fuller
Peter Fuller
  Top Review Orange

Avoid at all costs

Within 30 minutes of giving our cat half a Comfortis tablet she was running
round the house, unable to breath, her eyes were starring and she kept
falling over. We immediately rushed to the vets where they put her on a drip
and gave her steroids. Later that evening she was transferred to an animal
hospital and monitored overnight. It took 3 to 4 days to recover but she has
been left totally deaf. I cannot understand why this drug is on the market
and being sold by vets.

Purchased in for $15.

  • Side Effects: Long-term illness
  • Pet Type: Cat
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Nadia
Nadia3 posts
  Top Review Green

The only treatment that has worked!

We have 3 cats and a 15 year old Golden Rereiver, all of which had horrible fleas over the summer. No matter what we did they wouldn't leave our pets alone. We tried Revolution, Advantage, baths, dusts, the lot! And nothing!

Finally our vet recommended Comfortis. Yes, it is expensive! We could have gone out for a nice meal instead.. Ha! But I never imagined these results. Within 30 mins the fleas started dropping off. Our pets were all agitated! Scratching and Running around, as I imagine the fleas were uncomfortably dying!

Over the course of the evening the cats all settled and slept on our bed with us. Which is unusual.. But I guess they were feeling a little strange and needed comforting. Our sheets became a crime scene in the morning. Dead fleas all over! The best thing to wake up to. Honestly!!

Comfortis cleared up our dog and 3 cats within a day. Following treatments were just as effective! So far 3 months clear.. Very happy!

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Suzana
Suzana
  Green

Doesn't work

I paid $32 for a single tablet and my dog still has fleas! Show details
Value for Money
Ease of Use
Lee
LeeSydney4 posts
  Green

Killed my cat

My cat started having seizures and eventually killed him at 2yrs old. I didn't realise until after and heard something about it and started researching and completing shocked how they can even sell this product. Show details
Nicole H.
Nicole H.
  Green

Killed my cat. DO NOT USE

I gave a small amount of one of the pills to my cat, which was well under the weight limit. By later that day he had stopped eating. We went to the vet and they thought it was simply constipation caused by dehydration from the fleas. Went home with an oral laxative. Later that week he was dead with signs of liver and kidney failure. Spinosad, the active ingredient (which is a pesticide) should not be ingested by humans or animals. It kills the fleas because it is poison. Do NOT give this to your animals you are essentially poisoning them. Show details
ElliM
ElliM2 posts
  Orange

I wish I could rate it negative 5

Within hours my old cat was given 1/2 tablet, he was not able to move - experienced symptoms of ataxia. We took him to our vet and numerous tests were done but all came negative. He was put on steroids and initially improved but never fully recovered and died within a few months. Had I known what I have learnt since, I would have never given Comfortis to him of course. I would have not taken him to the vet either and instead I should have applied chemical detox drops about which I only found out when it was too late. Show details
Julie F.
Julie F.Sydney, NSW3 posts
  Verified Orange

Nearly killed my cats

Within an hour both my cats started vomiting uncontrollably and went all wobbly.Read reviews and found out Comfortis causes this as well as DEATH SEIZURES AND PARALYSIS.DO NOT USE.POISON.Im seeing a Lawyer to prosecute the seller
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chasemissd
chasemissd
  Green

Caused neurological issues in kitty

I have two animals, both received their treatment on the same day.
One had no issues the other began falling, unable to hold himself up, his back end seemed to have partial paralysis. He continues to have trouble walking, he shakes, his head "wobbles". He doesn't appear to be in pain but after thousands of dollars at the vet, x-rays, blood work, etc The only thing that changed was Comfortis.
I do not recommend this product. Show details
Macca
MaccaSydney2 posts
  Pink

Wouldn't buy again

Followed instruction and gave with meal. Have two kittens, who don't go outside. This treatment didn't have any effect on fleas. They are still scratching, will try someting else next time Show details
Value for Money
Ease of Use
KevinJ1995
KevinJ1995
  Orange

Killed my cat not the fleas

This is a highly poisonous product, was given by the vet to use on both of my cats, one of which vomited immediately, the other was unable to breathe 3 hours later and passed away. Now one is left without his friend forever. Show details
Jamie S.
Jamie S.
  Orange

Killed fleas and my cat

We’ve given our 11y/o cat Comfortis two times in years past. Last night we gave him a dose. He went from healthy, happy and normal to dead in 8 hours. Show details
Eva
EvaSydney, NSW2 posts
  Verified Orange

DO NOT USE THIS PRODUCT

Gave Comfortis to my darling girl and within a few hours she passed away. Just wish I had read these reviews beforehand. I will regret this for the rest of my life. How can such a toxic product be in the market?  Show details
Five cats
Five cats
  Orange

Makes cats sick

Makes cats sick. They vomit every time. Sometimes within an hour, sometimes later. But every time. Cats hate it. They do not chew it like a snack. Not worth high cost. Ineffective. Company is indifferent to concerns. Took a lot of information, but refuses to do anything. Thus, wasting my time as well. Show details
Pam
Pam
  Orange

Sad Day

We gave Comfortis to our cat yesterday morning and we found him dead this morning. He was healthy and only four years old. He was the best cat ever and we are heartbroken.  Show details
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Happy Mom
Happy Mom
  Green

Believer!

My dog and 3 cats (and my apartment) were infested with fleas. This even though I had been using the spot treatment once a month. I made an appointment with exterminator and the night before he came I gave all 4 animals Comfortis. The difference was amazing! My part Siamese cat had developed sores from scratching - she is completely healed. It wasn’t fun giving the cats the pills but it was well worth it! Show details
Value for Money
Ease of Use

Questions & Answers

Susanna H.
Susanna H. · Tablets Brown (For Dogs 27.1 - 54kg)

Is Comfortis Plus tablets still effective 5 months after the expiry date? The expiry date was August 2023.
Will my dog get any side effects of he is given expired Comfortis Plus tablets?

Shannon C.
Shannon C. · Tablets

My 13 lb. dog had 1/2 comfortis pill 2weeks ago. Can I give her a sentinel pill (her usual monthly flea tick and heart worm med) now?

Rodolfo Alvarado
Rodolfo Alvarado · Tablets Orange (For Dogs 18.1 - 27kg, For Cats 2.8 - 5.4kg)

price for comfortis orage 6 pak?

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Details

Elanco Comfortis can cause severe reactions when it comes to flea prevention

Elanco Comfortis is made to prevent flea infestations in both cats and dogs who are 14 weeks and older. Elanco states that the product starts killing fleas in 30 minutes, allowing you to ‘simply treat and play.’

It’s important to note that for several reviewers, administering this medication to their pet caused concerning side effects such as illness and even death. This sometimes happened the first time a tablet was given, and when pets were young and healthy.

Even though some flea medications may be vet-recommended, adverse reactions are a very real possibility with these tablets.

Other reviewers who gave Elanco Comfortis positive reviews did so because their pets didn’t experience any negative side effects.

A number of these positive reviews were written in relation to pets who suffered from an existing flea infestation - rather than flea prevention. However it can be hard to predict a reaction, so it’s advisable that the medication is given to pets with caution and careful monitoring.

Compare all Comfortis Tablets listings
CategoryTick & Flea Control ProductsTick & Flea Control ProductsTick & Flea Control ProductsTick & Flea Control Products
Application TypeChewableChewableChewableChewable
Pet TypeDogCat and DogCat and DogCat and Dog
TargetsFleasFleas
Minimum Pet Age14 weeks14 weeks14 weeks14 weeks
Reapplication PeriodMonthlyMonthlyMonthlyMonthly
Release date

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