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Why is my dog's stool still soft after diarrhea and antibiotics?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | neutered | 7 years old | 20 lbs

My dog had diarrhea for three days last week, he tested negative for parasites. Was put on antibiotics and bland diet. Has extremely soft stool. What else could this be? How can I get his stool back to normal?

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on December 3rd, 2017

Thanks for using Petco Pet Education Center, formerly Petcoach! Other possibilities for these clinical signs include gastroenteritis, colitis, small intestinal bacterial overgrowth, malabsorption disease, dietary indiscretion, inflammatory bowel disease, among other possibilities. You can start by trying to change his diet to a sensitive stomach type diet. If no improvement is noted, your veterinarian can try medications for diarrhea such as metronidazole or Tylosin. You can also consider probiotics. If no improvement with these conservative therapies, you would have to consider more diagnostics such as abdominal ultrasound and GI panel. Good luck and have a good night!

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