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

Expelling mucus with slight blood streaks?

Hello! I sometimes experience constipation, but I don't have a preference for meat.
Recently, for about six months, I have been having some issues (I previously visited a proctologist who noted a slight external hemorrhoid).
Sometimes, I have to strain quite a bit because I feel like I haven't fully emptied my bowels.
After finishing, about ten minutes later, I have a small bowel movement, and when I strain, a yellowish mucus comes out, which I believe is leftover stool that didn't fully evacuate (this doesn't happen every time I have a bowel movement).
My stool is generally long and shaped well, the color is fine, and there is no blood in the stool.
The larger stools also do not have mucus.
Today, I did notice some mucus with slight blood streaks, but there is no pain during bowel movements.
I do hold it in for a bit, and when I go to the bathroom, I squat to relieve myself, so it comes out quickly.
Could this indicate a possibility of colorectal cancer?

Michelle Mami, 30~39 year old female. Ask Date: 2016/03/28

Dr. Chen Shidian reply Gastroenterology and Hepatology

Hello, Miss.
The likelihood of colorectal cancer seems low, but it is still recommended to check for fecal occult blood or undergo a sigmoidoscopy.
You may schedule an appointment with the gastroenterology department.
Changhua Hospital cares about your health.
Chen Shidian.

Reply Date: 2016/03/28

More Info

When it comes to understanding the presence of mucus and blood in stool, especially in the context of potential colon cancer, it's essential to consider several factors. Your symptoms, including occasional constipation, the presence of mucus, and the slight blood streaks, can understandably cause concern. However, it's important to approach this situation with a balanced perspective.

Firstly, the presence of mucus in stool can be a normal occurrence. Mucus is produced by the intestines to help lubricate the stool and facilitate its passage. It is not uncommon for individuals to notice mucus, especially if they are experiencing changes in their bowel habits, such as constipation. In your case, the mucus you described, particularly when accompanied by straining during bowel movements, may simply be a result of your body trying to ease the passage of stool.

The presence of blood, even in small amounts, should not be overlooked. While you mentioned that there is no significant pain during bowel movements and that the blood is only slight, it is still a symptom that warrants attention. Blood in the stool can arise from various sources, including hemorrhoids, anal fissures, or more serious conditions such as inflammatory bowel disease or colorectal cancer. Given your history of occasional constipation and the external hemorrhoids, it is plausible that these could be contributing to the blood you are observing.

Regarding your concerns about colon cancer, it is important to note that while mucus and blood in stool can be symptoms of colorectal cancer, they are not definitive indicators of the disease. Colon cancer often presents with additional symptoms, such as significant changes in bowel habits (diarrhea or constipation), unexplained weight loss, fatigue, or abdominal discomfort. Since you mentioned that your stool is generally long and of normal color, and you do not experience pain, these factors may reduce the likelihood of a serious condition.

However, it is crucial to remain vigilant. The fact that you have experienced these symptoms intermittently over the past six months suggests that it would be wise to consult a healthcare professional for a thorough evaluation. A colonoscopy may be recommended to visualize the colon and rectum directly, allowing for the identification of any abnormalities, such as polyps or tumors. This procedure is particularly important if you have a family history of colorectal cancer or if your symptoms persist or worsen.

In summary, while the symptoms you describe—mucus and slight blood in stool—can be concerning, they are not definitive signs of colon cancer. Your symptoms could be related to benign conditions such as hemorrhoids or constipation. Nevertheless, it is essential to consult a healthcare provider to rule out any serious conditions and to receive appropriate guidance based on your individual health status. Early detection and intervention are key in managing any potential issues effectively, so do not hesitate to seek medical advice.

Similar Q&A

Is Blood and Mucus in Stool a Sign of Colon Cancer?

Starting from around March 10th, I have been experiencing blood and mucus in my stool every day. Sometimes, when I try to use the toilet, I am unable to pass anything except for some blood and mucus, along with what seems to be non-fecal matter. I have a regular exercise routine,...

Dr. Chen Shidian reply Gastroenterology and Hepatology
Hello, you may need to visit the Gastroenterology and Hepatology outpatient clinic for a detailed examination. The Ministry of Health and Welfare Changhua Hospital is concerned about your health.

Understanding Mucus with Blood in Stool: Is It a Sign of Colon Cancer?

Hello, doctor. After using the restroom today, I noticed some yellowish transparent mucus on the toilet paper when I wiped. The mucus had a small amount of brownish-red streaks (very close to coffee color), but only a small corner had the streaks, and the amount was very minimal ...

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. Although the likelihood of developing colorectal cancer at the age of 18 is not zero, it is generally very low. Based on your descri...

Understanding Mucus and Blood in Stool: Causes and Concerns

Hello, doctor. Recently, I have been observing that my stool has been accompanied by mucus, and sometimes there is even blood mixed with the mucus. I also often feel discomfort to the left of my navel. I am very concerned and hope you can provide some advice.

Dr. Ke Fangxu reply Surgery
At the age of 22, the likelihood of developing colorectal cancer is not zero, but generally speaking, it is extremely low. Based on your description, it seems more like irritable bowel syndrome combined with mild hemorrhoidal bleeding. It is recommended to start with a light diet...

Blood in Stool: Should You Worry About Colon Cancer?

Hello Doctor, I have been troubled by some issues recently. Three years ago, I experienced persistent diarrhea occasionally accompanied by dark red streaks of blood, which led me to undergo numerous tests, including a colonoscopy and endoscopy. The results showed that my stomach ...

Dr. Ke Fangxu reply Surgery
At the age of 28, the likelihood of developing colorectal cancer is not zero, but generally speaking, it is very 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 maint...