Blood-Streaked Mucus in Stool: Causes and Concerns - Gastroenterology and Hepatology

Blood-stained mucus

Hello, I experienced abdominal pain yesterday along with bloody mucus in my stool.
After having a bowel movement, the pain subsided.
I have had hard stools previously, which caused bleeding when wiping.
Could you please explain the possible reasons for the blood in my stool? Since I had diarrhea yesterday and no pain afterward, it shouldn't be a hemorrhoid issue.

X, 10~19 year old female. Ask Date: 2023/10/27

Dr. Yang Zhichao reply Gastroenterology and Hepatology

You can visit the gastroenterology and hepatology outpatient clinic.

Reply Date: 2023/10/27

More Info

Blood-streaked mucus in stool can be concerning and may indicate several underlying conditions. It's important to understand the potential causes and when to seek medical attention. Given your symptoms of abdominal pain, blood-streaked mucus in your stool, and a history of hard stools, there are a few possibilities to consider.

1. Hemorrhoids: While you mentioned that you don't think it's a hemorrhoid issue, it's worth noting that hemorrhoids can sometimes cause blood in the stool, especially if there has been straining during bowel movements. They can also lead to mucus discharge.

2. Anal Fissures: These are small tears in the lining of the anus that can occur due to passing hard stools. They can cause pain and bleeding, often resulting in blood-streaked mucus in the stool. The pain usually occurs during and after bowel movements.

3. Gastrointestinal Infections: Infections caused by bacteria, viruses, or parasites can lead to diarrhea and may result in mucus and blood in the stool. If you have had any recent changes in diet, travel, or exposure to contaminated food or water, this could be a possibility.

4. Inflammatory Bowel Disease (IBD): Conditions such as Crohn's disease or ulcerative colitis can cause inflammation in the gastrointestinal tract, leading to symptoms like abdominal pain, diarrhea, and blood in the stool. These conditions often require medical evaluation and management.

5. Diverticulitis: This condition occurs when small pouches in the colon become inflamed or infected. Symptoms can include abdominal pain, changes in bowel habits, and sometimes blood in the stool.

6. Polyps or Colorectal Cancer: While less common, especially in younger individuals, polyps or colorectal cancer can present with blood in the stool. If there is a family history of colorectal cancer or if you are experiencing other concerning symptoms, this should be evaluated.

Given that your abdominal pain resolved after the bowel movement, it may suggest that the pain was related to the hard stool or a possible anal fissure. However, the presence of blood-streaked mucus is not something to ignore. It is advisable to consult a healthcare professional for a thorough evaluation. They may recommend a physical examination, and possibly further investigations such as a colonoscopy, especially if symptoms persist or worsen.

In summary, while there are several potential causes for blood-streaked mucus in your stool, it is essential to seek medical advice to determine the exact cause and receive appropriate treatment. Early intervention can help prevent complications and ensure better health outcomes.

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