Red-Brown Mucus in Stool and Excessive Gas: A Gastrointestinal Concern - Gastroenterology and Hepatology

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The stool has reddish-brown mucus, and there is excessive flatulence?


Recently, during a bowel movement, I noticed a significant amount of bright red blood.
After a few days, the bleeding decreased but there was still some slight fresh blood.
Eventually, there was no blood at all.
However, I have been experiencing constipation lately, and after using the restroom, I found some reddish-brown mucus in my stool.
After that, I noticed some pinkish objects in my stool, which I am unsure if they are related to the red dragon fruit I ate a few days ago.
Over the past few days, I have also had a poor appetite, excessive sleepiness, and frequent flatulence, along with constipation.
After relieving the constipation, I started having diarrhea, but my abdominal pain improved after having a bowel movement.
I have been going to the bathroom 4-5 times a day and am uncertain if this could be cancer.
Recently, due to working overtime, I have been consuming more fried foods and sausages, and because of my busy schedule, I have been drinking less water.
However, I do exercise for at least 30 minutes each week, and my weight does not seem to have changed significantly.
I had a colonoscopy last year, during which benign polyps were removed.

Ms. Chen, 20~29 year old female. Ask Date: 2018/11/17

Dr. Chen Qifeng reply Gastroenterology and Hepatology


The most common cause of rectal bleeding is hemorrhoids.
It is recommended to first consult a colorectal surgeon.

Reply Date: 2018/11/17

More Info


The symptoms you describe, including the presence of red-brown mucus in your stool, excessive gas, and changes in bowel habits, warrant careful consideration and evaluation. Given your history of gastrointestinal issues, including previous polyps and recent dietary changes, it is essential to approach this situation with a comprehensive understanding of potential underlying causes.

Firstly, the presence of red or reddish-brown mucus in the stool can be indicative of several conditions. It may suggest irritation or inflammation in the gastrointestinal tract, possibly due to conditions such as colitis, hemorrhoids, or even anal fissures. The fact that you have experienced fresh blood in your stool previously raises concern for potential bleeding in the lower gastrointestinal tract. Although you mentioned that the blood volume has decreased, any presence of blood in the stool should be taken seriously, especially if it is accompanied by other symptoms like abdominal pain or changes in bowel habits.

The excessive gas and bloating you are experiencing could be linked to dietary choices, particularly if you have increased your intake of fried foods and processed meats, which can be difficult to digest and may lead to gastrointestinal discomfort. Additionally, a decrease in water intake can exacerbate constipation and lead to harder stools, making bowel movements more challenging and potentially causing further irritation to the intestinal lining.

Your recent history of constipation followed by diarrhea could indicate a condition known as "irritable bowel syndrome" (IBS), which is characterized by alternating episodes of constipation and diarrhea, often triggered by dietary factors or stress. The fact that you have been under stress due to work may also contribute to these gastrointestinal symptoms.

It is also important to consider the possibility of food intolerances or sensitivities, particularly if you have introduced new foods into your diet. The mention of consuming dragon fruit, which is high in fiber, could potentially lead to changes in bowel habits, especially if your body is not accustomed to such dietary fiber.

Given your previous colonoscopy, where benign polyps were removed, it is crucial to maintain regular follow-ups with your healthcare provider. While the presence of benign polyps is reassuring, any new or persistent symptoms should prompt further investigation. A repeat colonoscopy may be warranted, especially if you continue to experience blood in your stool or significant changes in your bowel habits.

In summary, while some of your symptoms may be related to dietary choices and lifestyle factors, the presence of blood and mucus in your stool, along with changes in bowel habits, necessitates a thorough evaluation by a gastroenterologist. It is advisable to schedule an appointment for a comprehensive assessment, which may include a physical examination, laboratory tests, and possibly imaging studies or repeat endoscopy to rule out any serious underlying conditions. In the meantime, focus on maintaining a balanced diet, staying hydrated, and managing stress to help alleviate some of your gastrointestinal symptoms.

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