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My cat is pooping blood a few days after deworming. Is this normal?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | neutered | 1 year and 11 months old | 30 lbs

My cat is pooping blood a few days after deworming medicine was given to him

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1 Answer

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Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on March 19th, 2020

It could be related to the dying worms. If Greyson is still eating and drinking normally with a good energy level, I would monitor him at home for a day or two. If other symptoms develop, then I would have him examined by a vet.

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