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Why is my dog having bloody diarrhea after dental surgery and meds?

Updated on September 23rd, 2025

Pet's info: Dog | Fox Hound | Female | spayed | 7 years and 8 months old | 52 lbs

My beagle mix dog (which is a rescue) has a mucous diarrhea with fresh blood present. She recently had 2 teeth extracted. She has been on antibiotics before and after the extractions. Along with pain med's. Now this showed up. I also have another dog that was rescued with her. Is it a possibility that there was an injury to her rectom or large intestine from the surgery

1 Answer

Most Helpful Answer

Dr. Elizabeth

Answered By Dr. Elizabeth

Veterinarian

Published on June 23rd, 2019

If Maude had surgery on her mouth, it is unlikely that her colon or rectum would be affected. Instead I would be more concerned that a reaction to the medication or a bacterial over growth is the cause. Any time blood is present, you need to see the veterinarian. Call them today and start Maude on a bland diet. Your veterinarian may make recommendations about switching the antibiotic, adding in a probiotic and is generally the best one to guide the treatment. I hope she starts feeling better quickly.
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