Blood in Stool: Causes and Concerns for Your Health - Urology

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Hello Dr.
Du: I have a question to ask you.
My husband is 32 years old, and he occasionally has bloody stools when he has a bowel movement.
What could be the issue or the cause of this?

Xiao Mei, 20~29 year old female. Ask Date: 2001/01/17

Dr. Du Shixi reply Urology


Blood in the stool may be indicative of hemorrhoids (either internal or external).
Major hospitals have colorectal surgery departments, so please seek a thorough examination promptly.

Reply Date: 2001/01/17

More Info


Understanding blood in stool can be concerning, and it's important to address this issue with a thorough understanding of potential causes and implications for health. In your husband's case, the presence of blood in his stool, especially if it occurs occasionally, can arise from various conditions, some of which may require medical attention.

Firstly, it's essential to differentiate between the types of blood that can appear in stool. Blood can be bright red, indicating it is fresh and likely coming from the lower gastrointestinal tract, such as the rectum or anus. This could be due to conditions like hemorrhoids, anal fissures, or diverticular disease. On the other hand, darker blood or black stools (melena) suggest that the blood has been digested, indicating a potential issue in the upper gastrointestinal tract, such as ulcers or gastritis.

Here are some common causes of blood in stool:
1. Hemorrhoids: Swollen veins in the lower rectum or anus can cause bright red blood during bowel movements. This is often accompanied by discomfort or itching.

2. Anal Fissures: Small tears in the lining of the anus can occur due to passing hard stools, leading to sharp pain and bleeding.

3. Diverticular Disease: Diverticulosis, which involves the formation of small pouches in the colon, can lead to diverticulitis, where these pouches become inflamed or infected, resulting in bleeding.

4. Gastrointestinal Infections: Certain infections can cause inflammation and bleeding in the intestines, leading to bloody stools.

5. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can cause chronic inflammation of the gastrointestinal tract, resulting in blood in the stool.

6. Polyps or Colorectal Cancer: While less common in younger individuals, polyps can develop in the colon and may bleed. In some cases, they can be precursors to colorectal cancer.

7. Gastrointestinal Bleeding: Conditions such as peptic ulcers or esophageal varices can lead to significant bleeding, which may manifest as dark stools.

Given that your husband is relatively young, some of the more serious conditions like colorectal cancer are less likely, but they cannot be entirely ruled out without further investigation. It is crucial to consult a healthcare provider for a thorough evaluation. They may recommend diagnostic tests such as a colonoscopy, which allows direct visualization of the colon and rectum, or imaging studies to assess for any underlying issues.

In the meantime, it would be beneficial for your husband to monitor his symptoms closely. Keeping a record of when the blood appears, the color, and any accompanying symptoms (such as pain, changes in bowel habits, or weight loss) can provide valuable information for the healthcare provider.

In conclusion, while occasional blood in the stool can be due to benign conditions like hemorrhoids or fissures, it is essential to seek medical advice to rule out more serious causes. Early diagnosis and treatment can significantly improve outcomes and alleviate concerns. Encourage your husband to make an appointment with a healthcare professional as soon as possible to address this issue comprehensively.

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