Blood in Stool: Causes and Concerns for Teens - Surgery

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Blood in the stool?


I am a high school senior.
Last Saturday, I strained while having a bowel movement, and as a result, I noticed blood on the toilet paper on the left side.
This morning, I experienced some abdominal pain, and when I went to the bathroom again, I strained and noticed blood again.
There was also some blood at the end of the stool, and it was also on the left side when I wiped.
Additionally, I've been feeling like I haven't fully emptied my bowels recently.
I would like to ask the doctor about the possible causes of these symptoms.

Yun, 10~19 year old female. Ask Date: 2015/10/10

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.
You may also consider purchasing over-the-counter hemorrhoid suppositories for use.
However, if bleeding persists, it is advisable to consult a physician for evaluation.

Reply Date: 2015/10/10

More Info


Blood in stool can be alarming, especially for a teenager like yourself. It’s important to understand that there are various potential causes for this symptom, and while some may be benign, others could indicate a more serious condition. Given your description of straining during bowel movements and the presence of blood, it’s crucial to consider a few key factors.

Firstly, the most common cause of blood in the stool, especially in younger individuals, is hemorrhoids. Hemorrhoids are swollen veins in the lower rectum and anus that can bleed, particularly when straining during bowel movements. This could explain the blood you observed, especially if it is bright red and appears on the toilet paper or on the surface of the stool.

Another possibility is anal fissures, which are small tears in the lining of the anus that can occur due to passing hard stools. These can also cause pain and bleeding during bowel movements. Given that you mentioned feeling like your bowel movements are not complete, it’s possible that straining could lead to both hemorrhoids and fissures.

However, it’s essential to consider other potential causes as well. Conditions such as diverticulosis, inflammatory bowel disease (IBD) like Crohn's disease or ulcerative colitis, and even infections can lead to blood in the stool. These conditions may also present with additional symptoms such as abdominal pain, changes in bowel habits, or diarrhea.

Since you mentioned experiencing abdominal pain along with the blood, it’s particularly important to seek medical attention. Abdominal pain can indicate that there is more going on than just hemorrhoids or fissures. A healthcare provider will likely want to perform a thorough evaluation, which may include a physical examination, a review of your medical history, and possibly diagnostic tests such as a colonoscopy or imaging studies to rule out more serious conditions.

In the meantime, there are a few steps you can take to help alleviate your symptoms. Ensuring that you stay well-hydrated and consuming a diet rich in fiber can help soften your stools and reduce straining during bowel movements. Foods such as fruits, vegetables, whole grains, and legumes are excellent sources of fiber. Additionally, over-the-counter stool softeners may be beneficial if you are experiencing hard stools.

It’s also important to avoid straining during bowel movements. If you feel the urge to go, try to respond promptly rather than holding it in, as this can lead to harder stools and increased straining later on. If you notice any worsening of your symptoms, such as increased pain, persistent bleeding, or changes in your bowel habits, do not hesitate to seek medical care.

In summary, while there are several potential causes for blood in your stool, the combination of straining, abdominal pain, and the presence of blood warrants a thorough evaluation by a healthcare professional. Taking proactive steps to manage your bowel health and seeking timely medical advice will help ensure that any underlying issues are addressed appropriately.

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