Blood After Bowel Movements: Causes and Concerns - Gastroenterology and Hepatology

Blood after bowel movements?

I have a question for the doctor.
I am a student, do not smoke or drink alcohol, and sometimes notice blood on the last few pieces of toilet paper after wiping.
What could this be? Thank you.

Zai Zai, 20~29 year old female. Ask Date: 2002/09/15

Dr. Yang Peizhen reply Gastroenterology and Hepatology

Hello! The most common issues around the anal area for young people are anal fissures or hemorrhoids caused by straining during bowel movements.
The solution is to consume more fiber-rich foods, reduce the intake of irritating foods, drink plenty of water, and exercise regularly to ensure smooth bowel movements.
However, if symptoms persist, it is best to consult a physician for further detailed examination, such as a sigmoidoscopy.
Wishing you and your family safety and happiness.
Dr.
Yang Pei-Zhen, Taoyuan Hospital, Department of Health, Executive Yuan.

Reply Date: 2002/09/15

More Info

Experiencing blood after bowel movements can be concerning, especially for someone who leads a healthy lifestyle, like yourself. The presence of blood on toilet paper or mixed with stool can arise from various causes, some of which are benign, while others may require medical attention.
One of the most common reasons for blood in the stool or on toilet paper is hemorrhoids, which are swollen veins in the rectal area. Hemorrhoids can be internal or external, and they often result from straining during bowel movements, chronic constipation, or prolonged sitting. Symptoms typically include bright red blood on the toilet paper or in the toilet bowl, itching, and discomfort around the anus. Given that you mentioned you are a student and may have irregular bowel habits due to stress or diet, this could be a plausible explanation.

Another potential cause is anal fissures, which are small tears in the lining of the anus. These can occur due to passing hard stools or straining during bowel movements. Similar to hemorrhoids, anal fissures can cause sharp pain during bowel movements and may lead to blood on the toilet paper.

In some cases, blood in the stool can indicate more serious conditions, such as diverticulosis, inflammatory bowel disease (IBD), or even colorectal cancer, especially if accompanied by other symptoms like abdominal pain, changes in bowel habits, or unexplained weight loss. However, these conditions are less common in younger individuals without significant risk factors.

Given your situation, it is essential to consider your diet and hydration. A diet low in fiber can lead to constipation, which may exacerbate issues like hemorrhoids or fissures. Ensuring adequate fluid intake and incorporating more fiber-rich foods can help maintain regular bowel movements and reduce strain.

If you are experiencing blood after bowel movements consistently, or if you notice other concerning symptoms, it is crucial to consult a healthcare professional. They may recommend a physical examination, and possibly a colonoscopy, to rule out any serious conditions.
In summary, while the presence of blood after bowel movements can often be attributed to benign causes like hemorrhoids or anal fissures, it is essential to monitor your symptoms and seek medical advice if the issue persists. Maintaining a healthy diet, staying hydrated, and avoiding straining during bowel movements can help prevent these issues. Always prioritize your health and do not hesitate to reach out to a healthcare provider for peace of mind and proper evaluation.

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