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Why does my dog collapse, pee, and have white gums after exercise?

Updated on September 23rd, 2025

Pet's info: Dog | Boxer | Female | unspayed | 5 months and 28 days old | 30 lbs

I have a 6 month old female boxer/dogo mixed breed dog. She has had two wierd episodes where she has fell over and peed and pooped herself. When it happens she looks week with white gums. Her gums stay white and slowly change back between a half hour to hour. Im not sure if it is seizures because she does not shake or move at all. The first time it happened was about a half hour after a walk. The second time 2 weeks later, when we had alot of family and kids over for the holidays. Please help

1 Answer

Most Helpful Answer

Sara Farmer, DVM

Answered By Sara Farmer, DVM

Veterinarian

Published on January 2nd, 2019

This is very concerning, especially in a young dog like Baby Girl. A seizure is possible, although typically stiffness or convulsions are seen and it usually takes awhile to recover from a seizure. A syncopal episode is another possibility - this occurs when there is an arrhythmia or other heart problem that causes fainting. I would recommend seeing a veterinarian right away - they can listen to her heart and may recommend taking an x-ray or checking blood work. Seizures or heart disease in a young dog can be fatal.
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