Rectal Bleeding: Causes and Solutions for Teens - Surgery

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Rectal bleeding


I have had constipation issues since childhood (I don't like drinking water, and going to the bathroom causes pain and bleeding; my gastrointestinal health has not been great).
After entering junior high school, my bowel movements became irregular, but there was a period of almost a month where they were normal.
However, I started experiencing blood in my stool again.
The blood is bright pink and red, and after using the bathroom, I almost always have pain in my anus (sometimes it's very painful).
My stool is not well-formed; it tends to be larger chunks or in a cylindrical shape.
I am really afraid that I might have a serious illness.
This started in the second semester of seventh grade, and I am now in ninth grade.

Mo Mo, 10~19 year old female. Ask Date: 2016/08/23

Dr. Ke Fangxu reply Surgery


This is not a serious illness.
Based on your description, it seems to be a typical case of anal fissure, which is characterized by pain during bowel movements and slight bleeding.
If there is accompanying bleeding from hemorrhoids, the amount of blood may be more significant.
The primary cause of anal fissures is usually hard stools, but diarrhea, frequent bowel movements, or prolonged straining can also lead to fissures.
It is recommended to improve bowel habits and take warm sitz baths to alleviate symptoms.
Topical ointments and suppositories can also be used for treatment.
If symptoms persist for more than a week without improvement, it is advisable to consult a physician to identify the underlying issue.

Reply Date: 2016/08/23

More Info


Rectal bleeding in teenagers can be concerning and is often a symptom of underlying issues that need to be addressed. Given your description, it seems that you have been experiencing constipation, pain during bowel movements, and bright red blood after using the restroom. These symptoms can be indicative of several conditions, but the most common causes in adolescents include hemorrhoids, anal fissures, and constipation-related issues.

1. Hemorrhoids: These are swollen veins in the rectal area that can become inflamed and bleed, especially during bowel movements. They are often associated with straining during defecation, which can occur if you are constipated. Hemorrhoids can cause discomfort and may lead to bright red blood on the toilet paper or in the stool.

2. Anal Fissures: An anal fissure is a small tear in the lining of the anus, which can occur due to passing hard or large stools. This can cause significant pain and bleeding during and after bowel movements. The blood is usually bright red and may be seen on the toilet paper or in the toilet bowl.

3. Constipation: Chronic constipation can lead to both hemorrhoids and anal fissures. When stool is hard and difficult to pass, it can cause straining, which exacerbates these conditions. It’s important to address constipation to prevent further complications.

4. Other Causes: While less common, other causes of rectal bleeding can include infections, inflammatory bowel disease (IBD), or even polyps. However, these are less likely in a teenager without other significant symptoms.


Solutions and Recommendations:
Hydration and Diet: One of the most effective ways to manage and prevent constipation is to increase your fluid intake. Drinking plenty of water helps to soften the stool, making it easier to pass. Additionally, incorporating more fiber into your diet—through fruits, vegetables, whole grains, and legumes—can help regulate bowel movements and prevent straining.

Regular Bowel Habits: Establishing a routine for bowel movements can also be beneficial. Try to set aside time each day to use the bathroom, especially after meals, as this can help stimulate bowel activity.

Over-the-Counter Remedies: If dietary changes are not enough, consider using over-the-counter stool softeners or fiber supplements. These can help ease the passage of stool and reduce the risk of developing hemorrhoids or fissures.

Avoid Straining: When using the bathroom, try to relax and avoid straining. If you feel the urge to go, don’t delay it, as this can lead to harder stools.

Seek Medical Attention: Since you have been experiencing these symptoms for an extended period, it is crucial to consult a healthcare professional. They can perform a thorough examination, possibly including a rectal exam, to determine the exact cause of your bleeding and pain. They may also recommend treatments such as topical creams for hemorrhoids or fissures, or in some cases, further investigations if they suspect a more serious condition.

Mental Health Considerations: It’s understandable to feel anxious about these symptoms, especially with concerns about serious conditions. It’s important to communicate your fears with a trusted adult or healthcare provider who can provide reassurance and support.

In conclusion, while rectal bleeding can be alarming, many common causes are manageable with lifestyle changes and medical intervention. Don’t hesitate to seek help, as addressing these issues early can prevent more serious complications in the future.

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