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My dog on vegetarian diet has bloody diarrhea. Is it worms or GI?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 2 years and 5 months old | 48 lbs

My dog is on a vegetarian diet due to intestinal gestation issues, his stool was fine for awhile but now he has diarrhea along with some mucus blood, my original vet just gives him B12 injections when he has a flare up and that doesn't work with me. What should I do? Does he have worms too? He was treated for worms twice.

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1 Answer

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on June 12th, 2017

It is tough dealing with chronic diarrhea problems with your pet. I'm not sure what you mean by the B 12 injections not working for you? If they showed improvement with your pet they likely need to be continued. Especially if Bruno has a malabsorption problem due to a vitamin B 12 deficiency. That is the only way to treat and reduce his symptoms besides the diet that you already have him on. Worms could be done aligning problem especially if he spends a lot of time outside. You should have his fecal tested through your veterinarian to check for this and get him treated with a dewormer is needed. However it sounds like he has a chronic underlining GI disorder which requires the special diet you have him on, vitamin B12 injections (if he has a confirmed a vitamin B 12 deficiency) and potentially a long term antibiotic such as Tylosin powder ( indicated for chronic colitis ). I hope that Bruno is able to find some resolve soon with those suggestions. Here's also a website link with more information on colitis treatment in pets. http://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=677 Best of luck.

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