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My cat has diarrhea for a month. Should we try steroids or ultrasound?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 1 year old | 6 lbs

My 1 year old female cat has had diarrhea for a month now and vet has put her on metronidazole 50mg twice daily for 4 weeks and tried zenaquin 12.5mg but took her off, also tried fortiflora and eating Z/D wet and dry food but won't eat the dry. We have done bloodwork which came back mostly normal with high WBC count, high potassium, low sodium, low total protein, low lipase, normal t4, and all negative results on diarrhea panel. What should we do next, vet says steroids,I'm thinking ultrasound

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1 Answer

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Answered By Maria DVM

Veterinarian

Published on April 23rd, 2018

I would recommend ultrasound as the next step. The reason your vet is most likely skipping the ultrasound is that when looking at the intestines on ultrasound your looking for irritable bowel disease or lymphoma. Lymphoma is less likely due to her age and both are treated with steroids. Gold standard is ultrasound +/- biopsy. If you were a client and stated you would not do an ultrasound then I would also recommend a trial of steroids. I would also consider changing her diet to a hydrolyzed protein diet and see if that helps. Thank you for using Petco Pet Education Center, formerly Petcoach.

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