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Dog has bloody diarrhea after food change. Vets closed, what to do?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | unneutered | 74 lbs

2yr old pitbull. I switched his food a month ago, no problems but I took him to the vet because his poop was lighter than usual, vet said it was the food that made it lighter. He is on trifexis. He gets Salmon oil with his food. Now, He’s had diarrhea the past 5 days, and today his diarrhea was bloody, maybe mucus not sure. I’m in Florida right now and the vets are closed due to Hurricane dorian. I can’t get a hold of any vet that’s open. Just want to know any possibilities of what It could be.

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1 Answer

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on September 3rd, 2019

I am so sorry that you have limited access to your vet right now. If he is otherwise acting normal and doesn't have any unexplained bruising on his body or red blotches on his gums, then this is likely stress colitis. You can try offering some probiotics, if available, to him in the meantime until the storm calms down. It is also likely that the storm itself is causing Melo to stress out. Some good readily available probiotics are Fortiflora or Proviable and mostly found at your local pet store. If they are also not open, then you can just try a bland diet of boiled plain chicken or ground turkey and rice for now, then get Melo seen by your vet as soon as the weather clears up to get his colitis treated with prescription antibiotics. The vet may also want to check his stool for parasites. I hope that your furry friends stools return to normal soon! Stay safe and take care.

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