Rectal Bleeding: Causes and When to Seek Help - Surgery

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Rectal bleeding


Hello Doctor, I have been experiencing severe pain during bowel movements for the past week or two.
My stools have been quite hard and large.
Recently, I have noticed blood in my stool, and there has been quite a bit of it, along with some clots.
I am concerned about whether there is something wrong with my body.
Thank you, Doctor.

Yang, 20~29 year old female. Ask Date: 2016/01/27

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: 2016/01/27

More Info


Rectal bleeding can be a concerning symptom, and it is important to understand its potential causes and when to seek medical help. Based on your description of experiencing severe pain during bowel movements, hard stools, and the presence of blood—sometimes in significant amounts and with clots—there are several possible explanations for your symptoms.

One common cause of rectal bleeding is hemorrhoids, which are swollen blood vessels in the rectal area that can become inflamed or thrombosed (clotted), leading to pain and bleeding during bowel movements. Hemorrhoids can be internal or external, and while they are often associated with straining during bowel movements, they can also occur due to prolonged sitting, pregnancy, or chronic constipation.

Another potential cause is anal fissures, which are small tears in the lining of the anus that can occur due to passing hard stools. These fissures can be quite painful and may cause bleeding, especially during or after a bowel movement.

In some cases, rectal bleeding can be a sign of more serious conditions, such as diverticulosis (small pouches that can form in the colon wall), inflammatory bowel disease (IBD) like Crohn's disease or ulcerative colitis, or even colorectal cancer. While these conditions are less common, they can present with similar symptoms and should be ruled out, especially if the bleeding is significant or persistent.

Given the severity of your symptoms, it is crucial to seek medical attention promptly. You should consider visiting a healthcare provider, preferably a gastroenterologist, who can perform a thorough evaluation. This may include a physical examination, a digital rectal exam, and possibly further diagnostic tests such as a colonoscopy or flexible sigmoidoscopy to visualize the rectum and colon directly. These tests can help identify the source of the bleeding and guide appropriate treatment.

In the meantime, there are some measures you can take to alleviate your symptoms. Increasing your dietary fiber intake can help soften your stools and make bowel movements easier, potentially reducing pain and bleeding. Staying well-hydrated is also important. Over-the-counter stool softeners or fiber supplements may be beneficial as well. Additionally, warm sitz baths can provide relief for anal discomfort and promote healing if you have hemorrhoids or fissures.

It is essential to avoid straining during bowel movements, as this can exacerbate your symptoms. If you are experiencing significant pain or if the bleeding worsens, do not hesitate to seek immediate medical care.

In summary, while there are several potential causes for your rectal bleeding, it is vital to consult with a healthcare professional to determine the underlying issue and receive appropriate treatment. Early intervention can help prevent complications and improve your overall health.

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