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My cat threw up after distemper shot and catnip. Should I worry?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | unneutered | 2 months and 25 days old | 9.2 lbs

My cat had quite a bit of catnip and had thrown up a few times.. he also had his distemper vaccine for the first time today. I am getting worried. Is there anything I can do?

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on July 26th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! Possible side effects after vaccines include pain at the injection site, lethargy, inappetence, vomiting and general discomfort. This should subside within 1-2 days. The vomiting could certainly be due to other reasons like gastroenteritis. If it does not improve or it worsens, have him evaluated by a veterinarian for further assessment and treatment. Otherwise, him will likely start feeling better shortly. Good luck and best wishes!

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