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Is my puppy's diarrhea and eye discharge from new puppy stress?

Updated On September 23rd, 2025

Pet's info: Dog | English Springer Spaniel | Male | unneutered | 6 months and 14 days old | 42 lbs

My 6 month old has had diarrhea for 3 days and green eye discharge for two. We just introduced a new 8 week old puppy 4 days ago and I'm wondering if this is stress related or something more. His energy level seems fine and he wants to play, but he's more clingy than normal. He has been eating. I haven't fed him after the major diarrhea episodes though. Both puppies are up to date on shots.

3 Answers

Most Helpful Answer

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Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner

Published on July 3rd, 2018

Stress can certainly cause diarrhea in dogs. If Dex is eating and drinking normally, we will often recommend a bland easily digested diet consisting of ½ cooked white rice and ½ cooked white meat chicken (boiled without any skin or bones). If he does well with a bland diet and his diarrhea resolves, then you can slowly transition back to his normal diet over a few days. Diarrhea that continues for more than a few days, or is associated with blood in the stool, vomiting, lethargy or a poor appetite is a reason for a visit to your veterinarian. There are anti-diarrheal medications that your veterinarian can prescribe and they may also recommend a probiotic to help resolve the diarrhea. I have attached a couple of links below with more information for you. Petco Pet Education Center, formerly Petcoach.co/article/most-common-causes-of-diarrhea-in-dogs/ Petco Pet Education Center, formerly Petcoach.co/article/6-things-you-can-do-at-home-if-your-pet-has-diarrhea/ If the green discharge in his eyes does not resolve in a couple of days, worsens or he starts squinting, I would certainly have your veterinarian examine his eyes to make sure he doesn't need any eye medication. Good luck! I hope that was helpful and that he feels better soon. Thanks for using Petco Pet Education Center, formerly Petcoach.

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    Answered By Jenna Beyer, DVM, MBA, cVMA

    Veterinarian, Certified Veterinary Acupuncturist

    Published on September 7th, 2017

    There can be lots of possibilities for diarrhea in a puppy, including food intolerance, food allergies, intestinal parasites, intestinal foreign body (such as a stick), dietary indiscretion (such as eating something at the park), bacterial or viral infection, stress colitis, among others. I would continue to monitor Cloud for a decrease in appetite or vomiting. If you see these things, or if the diarrhea hasn't improved by tomorrow, I would recommend that he be checked out by a vet. I can't think of any common poisons that would cause only diarrhea and not vomiting or lethargy.

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    Answered By Mariya Gugel, DVM

    Veterinarian

    Published on December 3rd, 2017

    Vomiting, diarrhea, and lethargy are very concerning in puppies as they may be a sign of a potentially life threatening infection - parvovirus. Other conditions such as intestinal parasites, toxin ingestion, foreign body obstruction, or intestinal torsion can cause these signs as well and all require veterinary attention. Puppies can become dehydrated very quickly, and Chewy may need supportive care. I recommend that he is seen by a veterinarian as soon as possible, preferably within the next several hours. I hope this helps and that Chewy starts feeling better soon!

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