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My 5-year-old cat keeps throwing up. Is it the expired medicine?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | neutered | 5 years and 11 months old | 12 lbs

I have an inside cat. He is 5 years old. He has thrown up 6 times in the last 24 hours. Yesterday morning, I gave him a pink medicine that has to stay refrigerated that I got from the vet a couple months ago for when he breaks out in rashes. It expires 12-2018. He threw up 30 min after the medicine was given, twice. He threw up again at 4pm twice and again at 3:30am twice. Gums are normal colored. No blood in vomit or stools.

1 Answer

Most Helpful Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on March 18th, 2018

It sounds as Tiger is suffering from a gastrointestinal condition, possibly an infection. it could also be due to medication you gave him. i would recommend taking him to the vet the first chance you get, he will need to be checked first, if the vet thinks it's a simple gastrointestinal infection he will need an anti vomiting injection, antibiotics and a special food for a few days in order to get better.

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