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Dog diarrhea after muddy water: what to feed & do before test?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Female | spayed | 1 year and 6 months old | 61 lbs

My dog has had diarrhea for a little over 2 days. I just sent in a fecal sample to get tested because she drank muddy water at the dog park this past weekend. Now I’m noticing some inflammation on her lips (probably from licking herself). What should I be giving her to eat and what else can I do before we get the results from the test?

1 Answer

Most Helpful Answer

Ricardo Fernandez, DVM

Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on December 5th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! Diarrhea can be due to parasites for example though that can also be seen with other conditions such as colitis or gastroenteritis. What you can do in the meantime is feed her a bland diet of boiled chicken and white rice to help her with an upset belly. Otherwise, it would depend on the results of the fecal test. Your veterinarian could proceed with anti-diarrhea medications which may help in the meantime. Best of luck!
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