Blood in Stool: Should You Worry About Cancer? - Gastroenterology and Hepatology

Rectal bleeding

Hello doctor, I am currently a minor and I have noticed blood in my stool.
However, I do not experience pain when using the restroom, but there is blood when I wipe.
Could this possibly be colorectal cancer or rectal cancer? I am very scared.

1234, 10~19 year old female. Ask Date: 2022/05/25

Dr. Chen Shidian reply Gastroenterology and Hepatology

Most cases involve bleeding from internal hemorrhoids.
Minimize prolonged sitting and constipation, and seek medical attention if necessary.

Reply Date: 2022/05/25

More Info

When it comes to finding blood in your stool, it is understandable to feel anxious, especially as a young person. Blood in the stool can be alarming, and while it can be a sign of serious conditions, it is important to remember that there are many possible causes, and not all of them are cancer-related.

First, let's discuss the potential causes of blood in the stool. The presence of blood can be due to a variety of factors, including:
1. Hemorrhoids: These are swollen veins in the lower rectum or anus that can cause bleeding, especially during bowel movements. This is one of the most common causes of blood in the stool and is generally not serious.

2. Anal fissures: Small tears in the lining of the anus can occur, often due to passing hard stools. This can lead to bleeding and pain during bowel movements.

3. Gastrointestinal infections: Infections caused by bacteria, viruses, or parasites can lead to inflammation and bleeding in the digestive tract.

4. Diverticular disease: Diverticulosis and diverticulitis can cause bleeding in the colon. Diverticulosis involves the formation of small pouches in the colon wall, while diverticulitis occurs when these pouches become inflamed.

5. Inflammatory bowel disease (IBD): Conditions such as Crohn's disease or ulcerative colitis can cause inflammation and bleeding in the gastrointestinal tract.

6. Polyps or colorectal cancer: While less common in younger individuals, polyps (growths on the colon lining) can bleed, and some may develop into cancer over time. Colorectal cancer is more prevalent in older adults, but it can occur in younger individuals, particularly those with a family history of the disease or certain genetic conditions.

Given your age and the fact that you are not experiencing pain, it is less likely that your symptoms are due to cancer, but it is not impossible. It is crucial to take any instance of blood in the stool seriously. Here are some steps you should consider:
- Consult a healthcare professional: It is essential to speak with a doctor about your symptoms. They may recommend tests such as a stool test, blood tests, or imaging studies to determine the cause of the bleeding.

- Keep track of your symptoms: Note any other symptoms you may be experiencing, such as changes in bowel habits, abdominal pain, weight loss, or changes in appetite. This information can help your doctor make a more accurate diagnosis.

- Avoid self-diagnosis: While it is natural to worry about serious conditions like cancer, many causes of blood in the stool are treatable and not life-threatening. A healthcare professional can provide clarity and peace of mind.

In summary, while blood in the stool can be concerning, it is not always indicative of cancer, especially in younger individuals. However, it is essential to seek medical advice to rule out any serious conditions and to receive appropriate care. Early diagnosis and treatment can lead to better outcomes, so do not hesitate to reach out to a healthcare provider.

Similar Q&A

Understanding Blood in Stool: Should You Worry About Cancer?

I am concerned about my age and the likelihood of cancer. About a year ago, I experienced some intermittent blood in my stool, but it was not very noticeable. Recently, I noticed blood again during a bowel movement; the stool itself was normal in size, about the thickness of a 50...

Dr. Cai Jinji reply Gastroenterology and Hepatology
Hello: Young men have a lower likelihood of developing colorectal cancer compared to older individuals, but it is not impossible. Blood in the stool is often associated with hemorrhoids, but it could also indicate cancer or other issues. It is recommended to consult a colorectal ...

Understanding Blood in Stool: Should You Worry About Colon Cancer?

Hello Doctor: I am twenty years old, and since September of last year, I have noticed occasional bright red streaks of blood in my stool. The amount is small each time; although I can see a few spots on the stool, there is no discoloration in the toilet water. The frequency is ab...

Dr. Chen Shidian reply Gastroenterology and Hepatology
It is possible that weight loss may occur. If it is not due to dietary changes, it is advisable to visit a gastroenterology clinic for evaluation. Please inform them about the weight loss.

Blood in Stool and Urine: Should You Worry About Colon Cancer?

That day, my stool was hard and appeared golden yellow, but the toilet was filled with blood, and the toilet paper was also stained with blood. I also noticed blood in my urine that day. Later in the evening, the symptoms eased. Now, on the second day after the incident, I contin...

Dr. Xu Kaixi reply Surgery
Blood in the stool or the presence of blood is considered an abnormal symptom. Possible diagnoses range from common hemorrhoids to various gastrointestinal diseases. Given your age, the likelihood of colorectal cancer is low; it is more probable that the bleeding is caused by hem...

Blood in Stool: Is It a Sign of Colon Cancer or Hemorrhoids?

Hello doctor, I have hemorrhoids and recently I've been experiencing some constipation. My stools are hard and flat; two of them do not have any blood, but one has blood mixed with the stool. I am concerned about the possibility of colon cancer.

Dr. Zhang Shuhao reply Surgery
The risk of colorectal cancer increases with age, family history, and exposure to carcinogens. If there is no significant family history, the likelihood of developing colorectal cancer before the age of 20 is extremely low. When stools are harder, bleeding during bowel movements ...