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My cat ate fish with ketchup & onion powder. Will he be okay?

Updated On September 23rd, 2025

Pet's info: Cat | Siamese | Male | neutered | 1 year and 10 months old | 99 lbs

My cat just ate some fish which had ketchup on and was coated in bread crumb (contains some onion powder). It was just under half a fish fillet. Will he be okay?

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1 Answer

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Answered By Debi Matlack

Veterinary Technician

Published on June 9th, 2019

The very small amount of onion powder in this shouldn't cause your cat any problems. He may get some stomach upset due to getting a decent amount of unfamiliar food, but no more than that. If he should become ill, refuse to eat, etc, get him in to see your vet right away.

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