Cheristin Flea & Tick Spot Treatment for Cats, over 1.8 lbs
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Get rid of those pesky fleas with the Cheristin Flea Treatment Topical For Cats. The perfect solution for itchy kitties, this topical treatment is specially formulated just for felines. Cheristin works to get rid of fleas in the blink of an eye and comes with a ready-to-use applicator, so it is easy to apply. This treatment continues to work for a full month after application, which means no more meowing or scratching thanks to the safe and effective formula.
Key Benefits- Starts killing and preventing fleas within 30 minutes of application.
- Kills 98 to 100% of fleas within 12 hours to put a quick stop to meowing and scratching.
- Each treatment continues to work for one full month of nonstop protection.
- Comes in an easy-to-use applicator that is non-greasy and gets down to the skin.
- Gentle enough for cats and kittens 8 weeks of age and older.
For use on cats and kittens only. For external use only. Do not use on kittens less than 8 weeks of age or weighing less than 1.8 lbs. Always read, understand and follow the label and use directions.
Important Information
Fleas rise to the top of your pet's coat as they die, so consider it a triumph if you start seeing more fleas at first, after treating your pet. If you’re still seeing fleas after application, it may be because your pet has picked up new fleas from the environment, which may include other pets, surfaces and outdoor areas. It may take up to 30 days to break the entire flea life cycle. Additionally, you should also treat sources of new fleas (i.e., carpet, yard, etc.) to ensure complete flea control.
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Item Number147593
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UsagePrevention
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BrandElanco
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LifestageAdult
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Product FormSolution
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Health ConditionFleas
Active Ingredients: Spinetoram 11.2% Other Ingredients: 88.8%
- Remove one applicator tube from the blister package.
- Hold the applicator tube in an upright position.
- Press cap down until it clicks (indicating that the tube has been punctured). (See Figure 1.) Hold upright and remove cap. Check to be sure there is an opening at the tip of the tube.
- Part the hair on the neck at the base of the head until the skin is visible. Place the tip of the tube directly above the skin and squeeze the tube 2-4 times to expel the contents of the tube directly on the skin. For best results, apply at the base of the head, not between shoulder blades. Avoid getting the product in your pet's eyes or mouth. Treatment at the base of the head will minimize the opportunity for the cat to directly lick the product. Do not allow your cat to ingest this product. (There may be a small residual remaining in the tube after a full dose is expelled).
- Discard the empty applicator tube in the trash.
Do not allow your cat to ingest this product. For cats weighing over 20lbs, using more than 1 single dose is not advised. As with any product, consult your veterinarian before using this product on debilitated, aged, pregnant or nursing animals or animals known to be sensitive to pesticides. Monitor your cat after application. Side effects may include signs of application site reactions such as application site hair loss, hair change (greasy, clumping or matting) or redness, inflammation and itching. Other side effects such as inactivity, vomiting and inappetance have also been reported. If these or any other side effects occur, consult your veterinarian, your cat’s healthcare expert.
Where is this product sourced from?
We source all our products from manufacturer approved distributors or directly from the manufacturers. Chewy takes pride in ensuring that our furry friends’ wellbeing is always our top priority. We have worked hard to partner with all of the manufactures to deliver 100% authentic products
What is Cheristin?
Cheristin for cats (spinetoram) is a topical flea protection that is specifically designed for cats. While monthly application is recommended, it starts killing fleas in just 30 minutes and protects your cat for up to 6 weeks.
How long does it take for Cheristin to work?
Cheristin starts killing fleas in just 30 minutes to provide quick relief for your cat. In a controlled study, it killed 98-100% of fleas within 12 hours.
How long does Cheristin last? While monthly application is recommended, a single dose of Cheristin kills adult fleas for up to 6 weeks.
What type of parasites does Cheristin kill?
Cheristin kills fleas. Its active ingredient, spinetoram, starts killing fleas in just 30 minutes and remains effective for up to 6 weeks to keep your cat protected from fleas, although monthly application is recommended.
Do I need a prescription for Cheristin?
No. Cheristin is available online and at retail outlets without a prescription.
How do I apply Cheristin to my cat?
Cheristin is a quick-drying, topical solution that isn't greasy or messy. It has a rounded applicator that makes it easy to apply and comfortable for your cat. Cheristin is only for cats and kittens eight weeks of age or older and weighing 1.8 pounds or more. Always read, understand and follow the label and use directions.
HOW TO APPLY:
- Remove one applicator tube from its packaging.
- Hold the applicator tube in an upright position.
- Press the cap down and listen for a "click" that indicates the tube has been punctured.
- Hold upright and remove the cap. Check to be sure there is an opening at the tip of the tube.
- Part the hair on your cat's neck at the base of the head until skin is visible. Place the open tip of the tube directly above the skin and squeeze the tube 2-4 times to expel the contents directly on the skin.
- Discard the empty applicator tube in the trash.
We recommend applying Cheristin monthly. For best results, apply at the base of the head—not between the shoulder blades—to minimize the chances of your cat licking the product. Avoid getting the product in your cat's eyes or mouth.
Can Cheristin be administered to large and small cats?
Cheristin is a low-volume, one-size-fits-all solution for cats and kittens 8 weeks of age or older and 1.8 pounds or greater, which makes it ideal for families with multiple cats.
Does seeing fleas on my cat mean that Cheristin isn't working?
Not at all. Cheristin kills adult fleas in 30 minutes after contact. If you see fleas on your cat, they are most likely new adult fleas that will die very quickly.
If there are any fleas in your cat's environment, it can take weeks or even months for flea larvae to emerge and grow into adults. Cheristin kills adult fleas before they can lay eggs, breaking the flea lifecycle.
All cats in the household should be treated with an approved flea protection product to minimize the likelihood of flea reinfestation. It may also be necessary to apply an approved flea treatment product to your carpet and furniture in an attempt to remove the presence of fleas in your cat's environment. Low-volume dosage is one-size-fits-all for cats or kittens 8 weeks of age and older that weigh 1.8 pounds or greater. Maintain consistent monthly application of Cheristin to provide continual flea protection for your cat and prevent future infestations.
Will one tube of Cheristin be enough if my cat is over 20 pounds?
Yes. Effectiveness studies have demonstrated that a single tube of Cheristin topical solution is appropriate for, and welltolerated by, cats and kittens 8 weeks of age and older that weigh 1.8 pounds or greater.
Can I split one tube or application of Cheristin between two cats?
No. Giving a partial dose should not be done and is inconsistent with product labeling. Cheristin is one-size-fits-all solution that's ideal for families with multiple cats. Since its low-volume dose is gentle enough for all cats and kittens 8 weeks of age and older that weigh 1.8 pounds or greater, you'll want to be sure to apply an entire single dose to each of your cats.
Why can't Cheristin be used on both dogs and cats?
Cheristin is not approved for use in dogs. Dogs and cats respond to medications differently. Cheristin is specifically designed for cats with an ingredient not found in other flea solutions. Cheristin has been rigorously tested and approved by the EPA for use specifically on cats. I have multiple cats that lick each other.
Is it a problem if they groom each other after treatment?
In multiple cat households, do not allow the cats to groom each other until the product has dried.
Can I combine Cheristin with any other flea and tick products?
There are no known interactions between Cheristin and any EPA-registered or FDA-approved flea control (treatment) product for cats at labeled dosages. Please consult with your veterinarian if you have questions about medications that you are using on your cat. Is Cheristin safe to use with other medications? While there are no known medication interactions with Cheristin, it's important to discuss all of your cat's current medications with your veterinarian.
How many applications of Cheristin are in each box?
Cheristin is available in 1-, 3- and 6-dose packages. What are the potential side effects of Cheristin? Side effects may include application site reactions such as hair loss, hair change (greasy, clumping or matting) or redness, inflammation and itching. Other side effects such as inactivity, vomiting and loss of appetite have also been reported. View product label for complete safety information and always talk with your veterinarian.

Cheristin is topical flea protection that is made specifically for cats. It starts killing fleas in just 30 minutes and kills 98-100% of fleas in 12 hours.** A single dose of Cheristin is effective for up to 6 weeks.* Cheristin is available in 1, 3, and 6 dose packs.

Fast Acting - Starts killing fleas in 30 Minutes

Effective through 6 Weeks*

Topical Application
Designed Just for Cats
Cheristin is a quick-drying, non-greasy topical solution that's designed just for cats with an ingredient not found in other flea solutions.

Easy, Gentle Application
Rounded-tip applicator is gentle on cats and kittens, for a comfortable application experience. To apply, press the cap on the Cheristin applicator until it clicks. Then, part the hair on the neck at the base of your cat's head, and apply the entire tube onto your cat's skin.
One Size Fits All1 Protection
For use on all cats over 8 weeks of age and 1.8 pounds to keep them protected from fleas. Perfect for multi-cat families – no messing with different doses based on size.
About Cheristin
Cheristin is topical flea treatment and protection that's specifically designed for cats. Cheristin starts killing fleas in just 30 minutes, kills 98-100% of fleas in 12 hours**, and remains effective through 6 weeks.* Always read, understand and follow the label and use directions.
PM-US-19-1482

Customer Reviews
90% Recommend
90% of reviewersrecommend this product
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678 Reviews
Showing 1-10 of 678 Reviews
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OMG amazing results!
By MelandMax on Jan 23, 2021
I started off using Frontline on my 10 week old furbaby kitten Max and evidently Frontline is nothing what it used to be when it was available by prescription. It would never kill the fleas completely and on Max they all seemed to hang out on his face. They didn't brother him to the point that it Disturbed his quality of life but he is my baby and it broke my heart none the less to see those fleas! So I obsessively read review after review on all the topical spot treatments that chewy carried and decided on this one. I applied the first dose 13 days ago and I can confidently say I see not one flea! However what works for my furbaby Max may not necessarily work for your furbaby all I can contest I started off using Frontline on my 10 week old furbaby kitten Max and evidently Frontline is nothing what it used to be when it was available by prescription. It would never kill the fleas completely and on Max they all seemed to hang out on his face. They didn't brother him to the point that it Disturbed his quality of life but he is my baby and it broke my heart none the less to see those fleas! So I obsessively read review after review on all the topical spot treatments that chewy carried and decided on this one. I applied the first dose 13 days ago and I can confidently say I see not one flea! However what works for my furbaby Max may not necessarily work for your furbaby all I can contest to is my experience with this product! Hope my review helps! … more
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Didn't Help Our Infestation
By toydiva65 on Jan 11, 2021
Our mega fleas didn't respond to this topical at all. We started the kitties out with the name-brand 8 month collars and they stopped working....long before the 8 months were up. So, we thought we would go back to topicals and see if they would work. Never having used the Cherstin brand and reading the other reviews, we thought we would give it a shot. However. it's not helped at all and the kitties are still scratching. I'm sending up smoke signals and waving the white flag...the fleas have won, so far. I just cannot go the prescription route with 7 cats in the house along with 1 elderly dog.
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Best I have found
By Maddie on Jan 3, 2021
I live in south Florida and I rescue cats. I have had upwards of 40 kittens, feral moms, adults, and bottle babies at a time... in my house. The weather allows for cats to live outside and breed CONSTANTLY. Which also means the fleas do too. I have tried everything under the sun until my rescue friend introduced me to Cheristin. The fleas down here are so abundant, they have actually developed immunities to common pesticides. For whatever reason... this is the only one that I have used and been able to get rid of the fleas that were constantly coming in on new kittens/cats. One of my cats had scabs all over her body from bites. I gave her this and within 1 week her scabs were gone. I would recommend I live in south Florida and I rescue cats. I have had upwards of 40 kittens, feral moms, adults, and bottle babies at a time... in my house. The weather allows for cats to live outside and breed CONSTANTLY. Which also means the fleas do too. I have tried everything under the sun until my rescue friend introduced me to Cheristin. The fleas down here are so abundant, they have actually developed immunities to common pesticides. For whatever reason... this is the only one that I have used and been able to get rid of the fleas that were constantly coming in on new kittens/cats. One of my cats had scabs all over her body from bites. I gave her this and within 1 week her scabs were gone. I would recommend this to ANYONE. It is truly a lifesaver, and I wouldn’t be writing this review if it wasn’t effective. … more
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cats covered in fleas :(
By Elise on Jan 8, 2021
This worked fine the first times I used it, but I gave it to my cats around Christmas and a week later they were absolutely infested with fleas :( apparently there are different types of fleas, so this may be a type that this medicine doesn’t work on but I’m so stressed out. They’re biting me too!! And my poor babies are so itchy :( one of my cats has anxiety and this situation isn’t helping. Basically this product doesn’t work against all types of fleas, including a type in West Virginia. So if you live here I wouldn’t recommend.
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Did the job.
By Muskrat76 on Jan 25, 2021
First Chewy was quick with the delivery. As far as this product goes, we had previously used Advantage II and Seresto collars on our cats, but we were still finding fleas. Bought enough doses to put on all of our cats and have only found a few dead fleas on the floor near where our cats sit. We have seen no live fleas since the first day after giving the treatments.
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Was pleasantly surprised
By Nancy on Jan 15, 2021
My Princess Fluffy is a semi-long hair kitten with very sensitive skin. Such a bad combination when fighting fleas! Most topical treatments cause her skin to crack. But this one did not. And, 2 days post treatment, all fleas are gone! I was skeptical of this product at first, but now I am pleasantly surprised.
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Cheristin no allergy reaction
By KatLady on Dec 30, 2020
I have 3 cats and this is the 1st Flea & Tick Treatment that at least one of them hasn't gone wild from allergy to the treatment/bites of fleas before they die. I don't let my cats out, but they still get fleas somehow. This treatment has ended the allergic reaction my Bluemoon had to flea bites (recommended by vet when taken in for allergy shots). Only 4 stars because I've noticed him scratching on the 27th day rather than 30.
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Your cats will thank you
By WynterSolstice on Dec 8, 2020
This stuff works!!! I was using Advantage and found my cats still scratching like crazy. After a few months it starts to get real frustrating. Especially when 2 of my cats seem to be allergic to flea bites and have horrible scabs in their neck area. I bought this based on another review I read that specifically mentioned how Advantage wasn’t working anymore, but this stuff did the trick. Thank you, whoever that person was. Within a day of using this product not a single flea was combed off my cats. The scabby necks are so much better after just a week. And they seem to be in much better moods. My cats are happy and I am so thrilled to finally find something that works and is even more affordable This stuff works!!! I was using Advantage and found my cats still scratching like crazy. After a few months it starts to get real frustrating. Especially when 2 of my cats seem to be allergic to flea bites and have horrible scabs in their neck area. I bought this based on another review I read that specifically mentioned how Advantage wasn’t working anymore, but this stuff did the trick. Thank you, whoever that person was. Within a day of using this product not a single flea was combed off my cats. The scabby necks are so much better after just a week. And they seem to be in much better moods. My cats are happy and I am so thrilled to finally find something that works and is even more affordable than that ‘other’ brand! Thank You Cheristin! … more
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Amazing Stuff!
By Chunkyky on Dec 5, 2020
I have 2 new kittens that are approximately 3-4 months old. Their mother was a barn cat so unfortunately, they came with some fleas. I was hesitant to try this product because of the kittens' age and size. Not knowing how they would react, I decided to use 1/2 tube for each kitten even though the product is supposed to be safe at full doze. I'm so amazed at how well this worked! Within an hour, I combed them with a flea comb and began to see dead and dying fleas. After combing the next day, there were absolutely no fleas at all. I can only assume that they all died and fell off but they are gone. The kittens slept for several hours after application but were up and playing strong the next day I have 2 new kittens that are approximately 3-4 months old. Their mother was a barn cat so unfortunately, they came with some fleas. I was hesitant to try this product because of the kittens' age and size. Not knowing how they would react, I decided to use 1/2 tube for each kitten even though the product is supposed to be safe at full doze. I'm so amazed at how well this worked! Within an hour, I combed them with a flea comb and began to see dead and dying fleas. After combing the next day, there were absolutely no fleas at all. I can only assume that they all died and fell off but they are gone. The kittens slept for several hours after application but were up and playing strong the next day, no side effects noticed and no more scratching! Love this product and will continue to buy. … more
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Absolute LIFESAFER
By Jeanne on Dec 30, 2020
I'm SO pleased with this! I struggled with a pretty bad flea infestation in my house and tried so many different methods to kill the fleas and give my pets relief. This brand has been the only thing that just flat out WORKED. I've used the flea comb on my cats and only ever find dead fleas in their fur. They aren't scratching and I can't find any live fleas since applying it. Worth every cent!