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My cat throws up after eating, but seems healthy. Is it meds?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | neutered | 4 years and 6 months old | 18 lbs

My 4 y/o cat has been vomiting ~2 times/day for 2-3 days. He appears perfectly healthy: active, purring, cuddly, though he has been a bit more vocal than normal. When he vomits it's usually soon after eating, and it's whole (wet) food, like he hasn't chewed. He is hungry right after, not phased a bit. He recently came off clavamox (short term, for sore gums). Should I be concerned or is he possibly just getting the meds out of his system, so to say?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on November 11th, 2016

Antibiotics can cause GI upset in cats, so it could be that Korben Dallas was eating less while he was on the antibiotics. Now that he's off the antibiotics, he's feeling better and eating much more quickly. That would be why he's throwing up all of his food. I would try to feed him smaller amounts more frequently to have him slow down his eating. If that doesn't help with the vomiting, I would take him into the vet for an exam, as he could have a medical illness causing the vomiting.

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