Rectal Bleeding: Causes and When to Seek Help - Surgery

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Rectal bleeding


Hello doctor, I recently noticed blood on the toilet paper after using the restroom, and the toilet water is also red, bright red.
My stool is normal, although sometimes it can be a bit soft, and I don't feel any pain.
This usually happens in the afternoon when I have a bowel movement; I don't see any blood in the morning.

Ms. Zhang, 20~29 year old female. Ask Date: 2021/03/24

Dr. Ke Fangxu reply Surgery


This situation likely indicates a higher possibility of hemorrhoidal bleeding.
As long as there is no further bleeding, it should not be a concern.
It is recommended to avoid constipation during this period and to shorten the time spent on bowel movements.
Increasing dietary fiber intake can also be beneficial.
Warm sitz baths may help alleviate symptoms, and over-the-counter hemorrhoidal suppositories can be used.
However, if bleeding persists, it is advisable to consult a physician.
If necessary, a colonoscopy can be arranged.

Reply Date: 2021/03/24

More Info


Rectal bleeding can be a concerning symptom, and it’s important to understand its potential causes and when to seek medical attention. The presence of bright red blood on toilet paper or in the toilet bowl can be alarming, but it is essential to note that not all causes of rectal bleeding are serious.
One of the most common causes of bright red 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. They can be internal or external, and while they can be uncomfortable, they are usually not dangerous. Other common causes include anal fissures, which are small tears in the lining of the anus that can occur due to passing hard stools, and diverticular disease, which involves small pouches that can form in the colon wall and may bleed.

In your case, since you mentioned that your bowel movements are generally normal and you do not experience pain, it could suggest that hemorrhoids or an anal fissure might be the cause. However, it is crucial to consider other potential causes as well, including colorectal polyps or even more serious conditions such as colorectal cancer, especially if the bleeding persists or is accompanied by other symptoms like weight loss, changes in bowel habits, or abdominal pain.

When it comes to seeking help, it is advisable to consult a healthcare professional if you notice any of the following:
1. Persistent Bleeding: If the bleeding continues over several days or weeks, it is important to seek medical evaluation.

2. Increased Volume of Blood: If you notice a significant increase in the amount of blood, or if it becomes darker or mixed with stool.

3. Associated Symptoms: If you experience additional symptoms such as abdominal pain, changes in bowel habits, weight loss, or fatigue.

4. Age and Risk Factors: If you are over the age of 50 or have a family history of colorectal cancer, it is prudent to get evaluated sooner rather than later.

In terms of management, if hemorrhoids are confirmed as the cause, lifestyle changes such as increasing fiber intake, staying hydrated, and avoiding straining during bowel movements can be beneficial. Over-the-counter treatments like topical creams or suppositories may also help alleviate symptoms. For more severe cases, medical procedures may be necessary.

In conclusion, while rectal bleeding can often be attributed to benign conditions like hemorrhoids or fissures, it is essential to monitor the situation closely and seek medical advice if the bleeding persists or is accompanied by concerning symptoms. Early evaluation and intervention can help ensure that any serious conditions are ruled out and that appropriate treatment is initiated.

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