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Labrador has bloody stool and mucus after antibiotics. What's wrong?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male

Hello my lab is 4 ys old and under the treatment of apilapsy. Before three months he was being suffered bloody stool after giving antibiotics dose for eye infection. I gave his blood for test and got report . There is little increased level of lever enzyme and WBCs. Now today's he released some blood (red in colour) in stool . This bloody stool and mucus released alternatively after every two three days. Plz help.

2 Answers

Most Helpful Answer

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Answered By Susan England-Foster

Veterinarian

Published on October 13th, 2018

I am sorry Bruno is not feeling well. I am having some trouble understanding what you are talking about and how to help. A young dog with blood in stool would concern me about a virus, parasite or liver issues. However epilepsy (seizures of unknown reason) should not be causing bloody stool. IF Bruno is on seizure medications it can affect the liver values. I would try to re post or do a consult for more information

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    Answered By Jessica Keay, DVM

    Veterinarian

    Published on October 13th, 2018

    I am sorry to hear about Bruno. I would recommend letting your vet know about the stool. Some parasites can cause blood in stool but we can also have this as a result of colitis, food sensitivities, and more. The elevation in liver enzymes can be due to the medication depending on the medication your dog is taking (phenobarbital can cause this). Your vet may want you to give medication for intestinal parasites or may recommend an examination or a trial of a special diet.

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