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Why is my cat peeing outside the litter box and vomiting each morning?

Updated on September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | unneutered | 2 years and 5 months old | 13 lbs

For a while now, my cat has been peeing and pooping in unusual places and spots. Yet, he also vomits but only in the morning, when we don’t give him and my other cat food for a long time such as overnight. But they would also poop in the bathtub or pee in the plants or the couch or even poop and pee on my bags. What is this a sign of? I went to a check up with their vet 2 months ago and he said they were healthy.

1 Answer

Most Helpful Answer

Mariya Gugel, DVM

Answered By Mariya Gugel, DVM

Veterinarian

Published on November 28th, 2018

Thank you for using Petco Pet Education Center, formerly Petcoach! The vomiting you describe can be bile which animals vomit when they are hungry. You can leave a small amount of food out for Tiger and his friend overnight.
Inappropriate urination can be linked to medical conditions such as urinary crystals or stones, urinary tract infections, or diabetes. These can be ruled out with bloodwork and a urinalysis. However, it is important to rule out behavioral issues as well. I typically recommend that a home have one more litter box than the number of cats. In your case, for Tiger and his friend, there should be three litter boxes. You should place them in various areas in the home and make sure that one of them is covered to provide privacy. Any changes in litter type, people in the home, or moves can also alter bathroom habits and these may just take some time to adjust to. I hope this helps and am happy to answer any other questions you may have!
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