Blood in Stool: Causes and Concerns for Your Health - Surgery

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Rectal bleeding


Hello doctor, I usually do not have a bowel movement every day and occasionally experience constipation.
At times, when I go to the bathroom, it starts off very painful, but then the stool becomes soft.
After wiping with toilet paper, I notice blood on it, but it is not mixed with the stool.
In the toilet, I see a small piece of something red that looks like chili.
Could this be colon cancer? After I finish using the bathroom, I do not feel pain in my buttocks anymore, and there is no continued bleeding after wiping.
Could this be related to my habit of squatting on the toilet?

Xiao Chen, 20~29 year old female. Ask Date: 2016/02/03

Dr. Ke Fangxu reply Surgery


Although the probability of developing colorectal cancer at the age of 22 is not zero, it is generally very low.
Based on your description, it seems more like hemorrhoids.
It is recommended to maintain a light diet and a good lifestyle.
If the symptoms persist without improvement, you may ask a physician for medication.
If there is still no improvement or if you are very concerned, you can also schedule a colonoscopy.

Reply Date: 2016/02/03

More Info


Understanding blood in stool can be concerning, and it's important to approach this issue with a clear understanding of potential causes and necessary actions. Based on your description, it sounds like you are experiencing some gastrointestinal symptoms that include infrequent bowel movements, pain during defecation, and the presence of blood on toilet paper and in the toilet bowl.
Firstly, the presence of blood in stool can arise from various sources within the gastrointestinal tract. The fact that you mentioned the blood appears as small red pieces, resembling chili, could suggest a few possibilities. One common cause of bright red blood in stool is hemorrhoids, which are swollen veins in the lower rectum or anus that can bleed during bowel movements, especially if there is straining or constipation involved. Given that you have mentioned experiencing constipation, this could very well be a contributing factor.

Another potential cause could be anal fissures, which are small tears in the lining of the anus that can occur due to passing hard stools. These can cause sharp pain during bowel movements and may also lead to bleeding. The fact that you do not experience pain after defecation and that the blood does not mix with the stool could further support the idea of hemorrhoids or fissures rather than a more serious condition.

However, while these are common and less serious causes, it is crucial to rule out more serious conditions such as diverticular disease or colorectal cancer, especially if you have a family history of gastrointestinal issues or if the symptoms persist. Colorectal cancer can sometimes present with changes in bowel habits, blood in the stool, and abdominal discomfort, but it is more common in individuals over the age of 50 or those with risk factors.

Your mention of not having daily bowel movements and experiencing pain initially could indicate that your bowel habits may need to be addressed. Chronic constipation can lead to straining, which increases the risk of developing hemorrhoids or fissures. It may be beneficial to incorporate more fiber into your diet, stay hydrated, and consider regular physical activity to promote healthy bowel movements.

In terms of your concern about whether this is related to your toilet habits, it is possible that prolonged sitting or straining during bowel movements could contribute to these issues. It is generally recommended to avoid excessive straining and to allow your body to have regular, comfortable bowel movements.

Given the symptoms you are experiencing, it is advisable to consult with a healthcare professional for a thorough evaluation. They may recommend a physical examination, and possibly a colonoscopy, to assess the health of your gastrointestinal tract and to rule out any serious conditions. In the meantime, focusing on a high-fiber diet, adequate hydration, and possibly over-the-counter remedies for constipation may help alleviate your symptoms.

In summary, while the presence of blood in stool can be alarming, it is often due to less serious conditions such as hemorrhoids or anal fissures, particularly in the context of constipation. However, it is essential to seek medical advice to ensure a proper diagnosis and treatment plan.

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