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Cat with UTI is crying in box and has diarrhea. Is this normal?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 20 lbs

Cat has uti. Been on meds since Friday , so 2.5 days. Yesterday he didn't cry in box, but today he is again but still passing good amount of urine. He also has diarrhea now! Will he be okay? I was giving him miralax so that may have caused it.

1 Answer

Most Helpful Answer

Emily, DVM

Answered By Emily, DVM

Veterinarian

Published on July 2nd, 2017

As long as he continues to pass large amounts of urine and the diarrhea stops the crying should decrease. However if the diarrhea continues Declan can develop irritation of the colon which can cause crying out as well. If the diarrhea continues and/or he is still crying after another day I recommend calling your veterinarian that is treating the UTI to discuss these new issues.?
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