Rectal Bleeding: Is It Hemorrhoids or Something More Serious? - Surgery

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Bleeding with every bowel movement?


Hello Doctor: For the past month or two, I have noticed bright red blood on the toilet paper every time I wipe after a bowel movement.
This has been happening for at least a month.
I consulted with a family physician nearby, and the doctor mentioned that at my age, it is less likely to be colon cancer and is more indicative of anal fissures or hemorrhoids.
They did not recommend a colonoscopy screening and only prescribed a three-day supply of suppositories.
After using the suppositories at home, the bleeding persists with every bowel movement.
I do not have constipation and have regular bowel movements daily, but I experience significant pain in the anal area each time, regardless of the size of the stool.
I have been trying to reassure myself that it might just be an anal fissure, but I am wondering why it hasn’t healed after such a long time.
Additionally, I have recently been experiencing shortness of breath (I read online that colon cancer can also cause shortness of breath).
I am very concerned that it could be colon cancer.
Should I undergo a colonoscopy screening? If so, would it be better to go to a hospital or is a general family clinic sufficient? Thank you for your help!

chuan, 30~39 year old female. Ask Date: 2015/07/16

Dr. Yu Mingchang reply Surgery


Hello: There is no correlation between colorectal cancer and asthma, but if you are concerned, it is recommended that you consult a colorectal surgeon for an examination.
The Ministry of Health and Welfare Changhua Hospital cares about you.

Reply Date: 2015/07/16

More Info


When it comes to rectal bleeding, it can be a source of significant concern for many individuals. The symptoms you describe—bright red blood on toilet paper after bowel movements, pain during defecation, and the duration of these symptoms—are indeed concerning and warrant further investigation.

Based on your description, the most common causes of rectal bleeding in younger individuals include hemorrhoids and anal fissures (also known as anal tears). Hemorrhoids are swollen blood vessels in the rectal area that can cause bleeding, especially during bowel movements, and may be associated with pain or discomfort. Anal fissures, on the other hand, are small tears in the lining of the anus, often caused by passing hard stools, which can lead to sharp pain and bleeding during bowel movements.

Your healthcare provider's initial assessment that you are less likely to have colorectal cancer at your age is generally accurate, as the risk of colorectal cancer increases with age. However, it is crucial to remember that while hemorrhoids and fissures are common, persistent bleeding should not be ignored, especially if it continues for more than a few weeks.

The fact that you have been experiencing pain during bowel movements and that the bleeding has persisted for over a month suggests that there may be an underlying issue that needs to be addressed. Anal fissures can sometimes become chronic, particularly if the area does not heal properly due to ongoing trauma from bowel movements. This can lead to a cycle of pain and bleeding that may not resolve without appropriate treatment.

Regarding your concern about colorectal cancer, while it is less common in younger individuals, it is not impossible. Symptoms such as rectal bleeding, changes in bowel habits, or unexplained weight loss should always be taken seriously. If you are experiencing new symptoms, such as increased shortness of breath, it is essential to discuss these with your healthcare provider, as they may indicate a more systemic issue.

As for whether to undergo a colonoscopy, it is generally recommended for anyone with persistent rectal bleeding, regardless of age, especially if the bleeding does not resolve with conservative measures. A colonoscopy allows for direct visualization of the colon and rectum and can help rule out more serious conditions, including polyps or cancer. It is advisable to consult a gastroenterologist for this procedure, as they specialize in digestive health and can provide a thorough evaluation.

In summary, while hemorrhoids and anal fissures are likely culprits for your symptoms, the persistence of rectal bleeding and associated pain necessitates further evaluation. A colonoscopy would be a prudent step to ensure that no serious conditions are present. If you are experiencing increased anxiety about your symptoms, it is essential to communicate this with your healthcare provider, who can guide you through the necessary steps for diagnosis and treatment. Remember, early intervention is key to managing any potential health issues effectively.

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