Blood in Stool: Is It Hemorrhoids, Fissures, or Cancer? - Surgery

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There is a small amount of blood in the stool?


A few months ago, I experienced rectal bleeding and saw a doctor, but it resolved.
Recently, my stools have been somewhat hard, and I have a bit of pain in my anus.
Today, there was a small amount of blood on the surface of my stool and on the toilet paper.
I didn't consume much vegetables today.
Could this be anal fissure, internal hemorrhoids, or colon cancer? Do I need to get a colonoscopy? I'm very scared about potential issues, and I've been reading online, which has made me anxious.

Lin, 10~19 year old female. Ask Date: 2021/07/01

Dr. Chen Jiaming reply Surgery


It is not possible to determine a diagnosis solely based on rebleeding; it is recommended that you seek further evaluation in person.
Given your age, the likelihood of cancer is relatively low.
It is advisable to increase your water intake to soften bowel movements and reduce the chances of bleeding.

Reply Date: 2021/07/01

More Info


When it comes to the presence of blood in stool, it can understandably cause significant concern, especially when considering potential causes such as hemorrhoids, anal fissures, or even more serious conditions like colorectal cancer. The symptoms you've described—hard stools, anal pain, and the presence of blood on the stool surface and toilet paper—are common indicators of benign conditions, but they should not be ignored.


Possible Causes of Blood in Stool
1. Hemorrhoids: These are swollen veins in the lower rectum and anus that can cause bleeding during bowel movements. The blood is usually bright red and may appear on the toilet paper or on the surface of the stool. Hemorrhoids can be caused by straining during bowel movements, which is often associated with hard stools.

2. Anal Fissures: These are small tears in the lining of the anus, often resulting from passing hard or large stools. They can cause sharp pain during and after bowel movements, and bleeding is typically bright red. The pain associated with fissures can lead to a cycle of avoiding bowel movements, which can exacerbate constipation and hard stools.

3. Colorectal Cancer: While less common, blood in the stool can also be a symptom of colorectal cancer. This is more likely if the blood is dark or mixed throughout the stool, rather than just on the surface. Other symptoms of colorectal cancer may include changes in bowel habits, unexplained weight loss, and abdominal discomfort.


When to Seek Medical Attention
Given your symptoms, it is advisable to consult a healthcare professional, particularly a gastroenterologist, for a thorough evaluation. A colonoscopy may be recommended to rule out any serious conditions, especially if you have risk factors for colorectal cancer (such as a family history, age over 50, or other gastrointestinal symptoms).


Importance of Diet and Lifestyle
You mentioned that your vegetable intake has been low, which can contribute to hard stools and constipation. Increasing dietary fiber through fruits, vegetables, and whole grains can help soften stools and promote regular bowel movements. Staying hydrated is also crucial, as adequate fluid intake can prevent constipation.


Conclusion
While your symptoms may be indicative of hemorrhoids or anal fissures, which are common and treatable conditions, it is essential to rule out more serious issues. A healthcare provider can offer the best advice based on a complete medical history and physical examination. It’s understandable to feel anxious about these symptoms, but addressing them with a professional can provide clarity and peace of mind. Remember, early detection and intervention are key in managing any health concerns effectively.

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