Mucus and Blood in Stool: Causes and Concerns - Surgery

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Mucus in stool with blood?


Hello doctor, today when I went to the bathroom, I noticed that my stool was very hard and there was a large amount of bright red blood on the toilet paper after wiping.
Upon closer inspection, I saw that the stool had mucus mixed with blood.
What could this situation be? I had the urge to go yesterday but didn't.
Is the bleeding related to that? I'm also very concerned about the mucus mixed with blood.

Xuan, 20~29 year old female. Ask Date: 2019/04/19

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, shorten the time spent on bowel movements, and increase the intake of dietary fiber, which can be helpful.
Warm sitz baths should aid in alleviating symptoms, and over-the-counter hemorrhoid suppositories can be used.
It is best to avoid taking laxatives indiscriminately.
Although the probability of developing colorectal cancer at the age of 29 is not zero, it is generally very low.
It is advisable to maintain a light diet and a good lifestyle routine, avoiding spicy, irritating, and greasy foods.
If symptoms persist without improvement, consulting a physician for medication or undergoing a colonoscopy may be warranted.

Reply Date: 2019/04/19

More Info


When you notice mucus and blood in your stool, it can understandably cause concern. The presence of bright red blood and mucus can indicate several potential issues, and it’s important to consider various factors to understand the situation better.

Firstly, the hardness of your stool suggests that you may be experiencing constipation. When stool is hard, it can lead to straining during bowel movements, which can cause small tears in the lining of the anus, known as anal fissures. These fissures can result in bright red blood on the toilet paper or in the stool. The presence of mucus alongside blood may also indicate irritation or inflammation in the gastrointestinal tract.

Mucus in the stool can be a normal finding, as the intestines produce mucus to help with the passage of stool. However, when it appears with blood, it can be a sign of an underlying condition. Some possible causes include:
1. Hemorrhoids: Swollen blood vessels in the rectal area can bleed, especially during bowel movements. They are often associated with straining and can cause both blood and mucus to appear in the stool.

2. Anal Fissures: As mentioned, these are small tears in the anal lining that can occur due to hard stools. They can cause sharp pain and bleeding during bowel movements.

3. Infections: Certain gastrointestinal infections can lead to inflammation of the intestines, resulting in mucus and blood in the stool. This can be accompanied by other symptoms like diarrhea, abdominal pain, and fever.

4. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can cause inflammation in the intestines, leading to symptoms such as bloody diarrhea, abdominal pain, and mucus in the stool.

5. Diverticular Disease: Diverticulitis, which is the inflammation of diverticula (small pouches that can form in the colon), can also cause bleeding and mucus.

6. Colorectal Polyps or Cancer: Although less common, polyps or colorectal cancer can present with blood in the stool and should be evaluated, especially if you have risk factors or a family history of colorectal cancer.

Regarding your question about whether the bleeding is related to not going to the bathroom yesterday, it is possible. Straining to pass hard stool can lead to the issues mentioned above, such as hemorrhoids or anal fissures, which can cause bleeding.

Given these possibilities, it is crucial to monitor your symptoms closely. If the bleeding persists, increases in volume, or is accompanied by other concerning symptoms such as severe abdominal pain, changes in bowel habits, or weight loss, you should seek medical attention promptly. A healthcare provider may recommend a physical examination, and possibly further investigations such as a colonoscopy, to determine the exact cause of your symptoms.

In the meantime, consider increasing your fluid intake and dietary fiber to help soften your stool and ease bowel movements. Over-the-counter stool softeners or laxatives may also be beneficial, but you should consult with a healthcare professional before starting any new medication.

In summary, while the presence of mucus and blood in your stool can be alarming, it is essential to assess the situation carefully and seek medical advice if necessary. Early intervention can help address any underlying issues effectively.

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