ONDANSETRON (Generic) Tablets, 4-mg, 1 tablet - Chewy.com

Ondansetron (Generic) Tablets

By Ondansetron
Rated 4.3333 out of 5 stars
Prescription Item

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About This Item


Ondansetron is an antiemetic drug used to treat or prevent severe vomiting in dogs and cats. While the FDA has approved it only for use in humans, veterinarians may prescribe it in certain situations. It is usually well tolerated by pets and this uncoated tablet can be given with or without food. Ask your veterinarian if ondansetron is right treatment for your pet.

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Learn More About Ondansetron From Our Team of Experts

ReviewsWrite a Review

Rated 4.3333 out of 5 stars
21 Ratings
Would recommend to a friend

21 Customer Reviews

Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.
Rated 5 out of 5 stars
By Panzer11 on May 7, 2023

Diabetic cat

This is actually for nausea, it works well in combination with Cerenia which is for vomiting. I have a diabetic cat that has chronic pancreatitis & FLUTD & I use these when he has a flare up of pancreatitis or a UTI, they work well for my boy & they don't raise his blood glucose numbers.

Rated 1 out of 5 stars
By Zoey on Aug 8, 2022

Wasn’t the best

This is an honest review on this product. I don’t think this worked for Zoey (my cat) she was prescribe this medication for her nausea, she completely stopped eating and lost more weight. We had to switch her back to Cerenia which she was taking and was working better for her.

Rated 2 out of 5 stars
By Jules on Mar 9, 2022

Works IF you can get them into your cat, but tastes awful, cat foams at mouth

These do work to reduce nausea, but only IF you can get them into your cat. They taste apparently so bad that they actually CAUSE vomiting. I can't hide them in a pill pocket, they taste so bad it's not enough to hide the flavor, and if I dissolve them into some water and try to shoot them into the mouth, it results in immediate VIOLENT PROJECTILE VOMITING and then severe foaming at the mouth and gagging. So they do, basically, the exact opposite of what they intend to do, except for the very rare occasion I have actually managed to get them into my cat successfully hidden in a pill pocket, where they have worked well. These need to come in a 2mg size (specifically for cats) and COATED to seal in the absolutely awful flavor, because as they are, cats who are already nauseous, CAN'T swallow the medicine that would make them feel better, and it's just subjecting my cat to more suffering to try to get it into him. Why a medicine for nausea is in an oral pill form baffles me. Especially an uncoated tablet that tastes TERRIBLE. This needs to be transdermal. Good luck getting it into your cat. I had very little success and felt like I was torturing mine with this medicine. Projectile vomiting. Foaming at the mouth. He now runs from me. Flinches when I reach for him. Horrible experience. Two stars because it does work IF you can get it inside the cat, but I don't feel there is any humane way to do this.

Rated 5 out of 5 stars
By Meghan on May 9, 2022

Great product

This product has been a life-saver for my cat. He's on a variety of meds and this has helped with his presumed nausea to increase his appetite. Thanks, Chewy!

Rated 5 out of 5 stars
By Abbysmom on Apr 20, 2022

Fast, necessary, priced well

My Abby needs this medicine for quality of life. The vets office was charging a ridiculous price per pill. Chewy got the meds to me quickly, and at a price I can afford to pay. Love Chewy!!!

Rated 3 out of 5 stars
By flamingo on Feb 13, 2022

side effect

my cat had polycystic kidney disease and actually passed away before I could use these, but I found out that a side effect can be constipation, which we struggled with while he was alive, just do a bit more research than I did! Chewy was fast with delivery, but again, it arrived too late for me to use anyway.

Rated 5 out of 5 stars
By HopesMom09 on May 3, 2022

Great for nausea!

I give this to my girl (miniature poodle) when she is nauseated. It works great!

Rated 5 out of 5 stars
By beadturtle on Mar 24, 2022

I can always count on Chewy

My dogs medication was delivered in less time than estimated. Thanks, Chewy!

Rated 5 out of 5 stars
By msbr on Jan 3, 2022

excellent for car sickness

A good generic treatment for car sickness in cats. This is the version that has to be taken an hour or so before setting out with the cat.

Rated 5 out of 5 stars
By Penny on Feb 10, 2022

Prescribed for my cat's vomiting

It did help with her vomiting. Sadly she had to be euthanized in Feb.6.