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My 13-year-old cat has chronic diarrhea and vomiting. What's wrong?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 13 years old | 8 lbs

Cat is 13 years old. Had diarrhea - in the litter box and also beside the litter box. Has had a regular history of vomiting, which she also did around same time as diarrhea. Have seen several vets with no answers or resolution to the vomiting which she has done for several years. Mostly concerned about the diarrhea. She eats good and seems to behave normally.

1 Answer

Most Helpful Answer

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Answered By Jenny, DVM

Veterinarian

Published on July 7th, 2017

Chronic diarrhea in an older cat with vomiting can be a sign of an inflammatory bowel disease or intestinal cancer. The only way to differentiate between the two disease is a surgery to take biopsies of the intestines and have them analyzed. Based on the diagnosis, the diet may be changed or vitamin supplements or steroids may be added to manage her symptoms. They will check for parasite and check her labs for any renal or endocrine disease

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