Mucus and Blood in Stool: Causes and Concerns - Surgery

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Mucus and blood in the stool, along with anal pain?


Hello, doctor.
I would like to ask you about my condition.
For the past month, I have been experiencing very infrequent bowel movements, and they are difficult to pass.
The color is darker, resembling that of sheep feces.
During bowel movements, there is mucus with blood streaks, and sometimes I experience mucus with blood even without having a bowel movement, just from straining.
The area around my anus is very painful, to the point that I sometimes cannot sleep.
It seems that the tissue around the anus has also enlarged.
Recently, I have been feeling anxious, and my appetite has not been good.
Doctor, could this situation indicate that I have rectal or colon cancer? 😫

Xiao La Jiao, 20~29 year old female. Ask Date: 2016/04/17

Dr. Ke Fangxu reply Surgery


The likelihood of developing colorectal cancer at the age of 25 is not zero, but generally, it is extremely low.
Based on your description, it seems more like irritable bowel syndrome combined with hemorrhoidal bleeding.
It is recommended to start with a light diet and maintain a good lifestyle.
If symptoms persist without improvement, you may ask a physician for medication.
If there is still no improvement or if you are very concerned, a colonoscopy can be arranged.

Reply Date: 2016/04/17

More Info


Understanding mucus and blood in stool can be concerning, especially when accompanied by symptoms such as pain and changes in bowel habits. Based on your description, it sounds like you are experiencing several significant gastrointestinal symptoms, including infrequent bowel movements, dark-colored stools, mucus with blood, anal pain, and possibly an anal mass.
Firstly, the presence of mucus and blood in your stool can be indicative of several conditions, ranging from benign to more serious issues. Common causes of mucus in stool include inflammatory bowel diseases (IBD) such as Crohn's disease or ulcerative colitis, infections, or even hemorrhoids. The blood in your stool, especially if it is bright red or mixed with mucus, can often be associated with hemorrhoids or anal fissures, particularly if you are experiencing pain during bowel movements. However, darker blood or tarry stools can suggest bleeding from higher up in the gastrointestinal tract, which may require further investigation.

The fact that you are experiencing pain around the anal area and that there seems to be a noticeable change in the tissue (possibly swelling or a mass) raises additional concerns. Anal fissures, which are small tears in the lining of the anus, can cause significant pain and bleeding, especially during bowel movements. Hemorrhoids, which are swollen veins in the rectal area, can also lead to similar symptoms.
However, while these conditions are more common and often less serious, the symptoms you describe could also be associated with more serious conditions, including colorectal cancer, especially given the changes in your bowel habits and the presence of blood. Colorectal cancer can present with changes in stool consistency, blood in the stool, and abdominal pain.
Given your symptoms, it is crucial to seek medical attention promptly. A healthcare provider will likely perform a thorough evaluation, which may include a physical examination, a digital rectal exam, and possibly a colonoscopy to visualize the colon and rectum directly. This is important not only to rule out serious conditions such as colorectal cancer but also to diagnose any potential inflammatory conditions or infections that may be causing your symptoms.

In the meantime, it is essential to monitor your symptoms closely. If you experience any worsening of your condition, such as increased pain, significant changes in bowel habits, or any new symptoms like weight loss or fever, you should seek immediate medical attention.
In summary, while your symptoms could be due to less serious conditions such as hemorrhoids or anal fissures, the presence of blood and mucus, along with pain and changes in bowel habits, warrants a thorough evaluation by a healthcare professional. Early diagnosis and treatment are key to managing any potential issues effectively. Please do not hesitate to reach out to a healthcare provider for a comprehensive assessment.

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