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My puppy is lethargic with watery, bubbly diarrhea. What should I do?

Updated On September 23rd, 2025

Pet's info: Dog | Shih Tzu | Female | 3 months and 27 days old | 2.25 lbs

Hi please help me. My dog a while ago is happy and joyful but later on until now she's sad,weak down hearted and poop watery poop 3 times this day. Her last poop have like bubbles. please help what do u think is this then ill go to the vet.

2 Answers

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on April 5th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Kisses! My biggest concern is how young and small Kisses is. With severe watery diarrhea she is at an increased risk for dehydration and low blood sugar. Causes of diarrhea in puppies are: intestinal parasites, viral (parvo or distemper) or bacterial infections, dietary indiscretion, food allergy/intolerance, reaction to a new food/treat/table food. Sometime we never know the exact cause. Since she is so young and small I would take her to the Vet today. If you can get a stool sample bring it with you. If she isn't up to date on vaccines they may test her for parvo virus. The Vet can send her home with medications to make her better faster. I hope this helps and I wish Kisses a speedy recovery!

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    Answered By Rebecca, DVM

    Veterinarian

    Published on May 4th, 2019

    Thank you for using Petco Pet Education Center, formerly Petcoach. I'm so sorry Libby isn't feeling well. I do not recommend any over the counter treatments for diarrhea for Libby. It may be helpful to discuss if feeding a prescription gastro intestinal diet would be recommended by her veterinarian. Often it can take time for GI inflammation to resolve and cure diarrhea. But if it is not resolving or has been going on for too long it may be stime to discuss doing further diagnostic testing with her vet. Some dogs may have pancreatic insuffeciency, malabsorption or food allergies that can cause chronic diarrhea. I hope she starts improving soon.

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