Rectal Bleeding: Causes and When to Seek Help - Surgery

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Rectal bleeding


Hello, yesterday I noticed a large amount of bright red blood when wiping my anus after a bowel movement.
There was no blood in the stool, but today there is no blood when I had a bowel movement, although I do have a slight pain in the anus.
What could this situation indicate?

Mr. Hsieh, 20~29 year old female. Ask Date: 2018/07/04

Dr. Xu Kaixi reply Surgery


Hello: Blood in the stool is considered an abnormal symptom and can range from common hemorrhoids to other serious gastrointestinal diseases.
Based on your description, hemorrhoids are the most likely cause of the bleeding.
It is recommended that you visit a hospital's surgical or gastroenterology outpatient clinic for further examination.
Thank you for your inquiry.

Reply Date: 2018/07/04

More Info


Rectal bleeding can be a concerning symptom, and it's important to understand its potential causes and when to seek medical help. Based on your description, the presence of bright red blood when wiping after a bowel movement, along with mild pain, suggests a few possible conditions.

One of the most common causes of rectal bleeding is hemorrhoids. Hemorrhoids are swollen blood vessels in the rectal area that can become inflamed or irritated, often leading to bleeding during bowel movements. The blood from hemorrhoids is typically bright red, which aligns with your observation. Other symptoms may include itching, discomfort, or a lump near the anus.

Another potential cause could be 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, leading to sharp pain and bleeding. The blood from fissures is also usually bright red and may be accompanied by a burning sensation during or after bowel movements.

Less commonly, rectal bleeding can be a sign of more serious conditions, such as diverticular disease, inflammatory bowel disease (IBD), or colorectal polyps and cancer. These conditions may present with additional symptoms such as abdominal pain, changes in bowel habits, weight loss, or fatigue.

Given that you experienced bleeding but no blood was present in your stool, and considering the mild pain, it is advisable to monitor your symptoms closely. If the bleeding persists, worsens, or is accompanied by other concerning symptoms (such as severe pain, fever, or changes in bowel habits), you should seek medical attention promptly.
In general, if you experience rectal bleeding for the first time, or if you have a history of gastrointestinal issues, it is wise to consult a healthcare professional. They may recommend a physical examination, and possibly further investigations such as a colonoscopy, to determine the underlying cause of the bleeding.

In terms of self-care, here are a few recommendations that may help alleviate discomfort:
1. Dietary Adjustments: Increase your fiber intake to help soften stools and reduce straining during bowel movements. Foods rich in fiber include fruits, vegetables, whole grains, and legumes.

2. Hydration: Drink plenty of fluids to help prevent constipation.

3. Warm Baths: Soaking in a warm bath can help soothe the anal area and relieve discomfort.

4. Over-the-Counter Treatments: If hemorrhoids are suspected, topical treatments or suppositories may provide relief.

5. Avoid Straining: Try to avoid straining during bowel movements, as this can exacerbate hemorrhoids and fissures.

6. Regular Exercise: Engaging in regular physical activity can help promote healthy bowel function.

In conclusion, while rectal bleeding can often be attributed to benign conditions like hemorrhoids or fissures, it is essential to remain vigilant and consult a healthcare provider if symptoms persist or worsen. Early diagnosis and treatment can help prevent complications and ensure better health outcomes.

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