Brown Mucus in Stool: Causes and Concerns - Gastroenterology and Hepatology

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Brown mucus in stool?


Hello, I have recently noticed that my stools are coarser and have a brownish mucus on the surface, with some cracks at the front where mucus is also present.
Additionally, the stools themselves are yellowish and contain many white specks resembling sesame seeds.
I am wondering if this is related to the health supplement "Sesame Bright EX Capsules" that I have been taking.

IP, 30~39 year old female. Ask Date: 2019/06/22

Dr. Chen Qifeng reply Gastroenterology and Hepatology


It is possible; stop taking it and monitor the situation.

Reply Date: 2019/06/22

More Info


Understanding brown mucus in stool can be concerning, and it’s important to explore the potential causes and implications of these symptoms. The presence of mucus in stool can be a normal occurrence, as mucus is produced by the intestines to lubricate the passage of stool. However, when there are changes in the consistency, color, or accompanying symptoms, it may indicate an underlying issue that warrants further investigation.

In your case, the observation of brown mucus on the surface of your stool, along with the yellow color of the stool itself and the presence of white specks resembling sesame seeds, raises several points for consideration. First, let’s address the brown mucus. Mucus can appear in stool for various reasons, including:
1. Irritation or Inflammation: Conditions such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), or infections can lead to increased mucus production. If the intestines are inflamed or irritated, they may produce more mucus to protect the lining.

2. Dietary Factors: Your mention of taking a health supplement, "芝麻明EX膠囊" (Sesame Bright EX capsule), may also play a role. Some dietary supplements can affect bowel movements and stool characteristics. If the supplement contains ingredients that your body reacts to, it could lead to changes in stool consistency or the presence of mucus.

3. Infections: Gastrointestinal infections, whether viral, bacterial, or parasitic, can lead to changes in stool, including the presence of mucus. If accompanied by symptoms such as diarrhea, abdominal pain, or fever, it would be prudent to seek medical attention.

4. Food Intolerances or Allergies: Sometimes, certain foods can lead to mucus production in the stool. Common culprits include dairy products, gluten, or other allergens. Keeping a food diary may help identify any correlations between your diet and the changes in your stool.

The yellow color of your stool could indicate several things as well. Yellow stool can be a sign of excess fat, which may occur in conditions affecting fat absorption, such as celiac disease or pancreatitis. The presence of white specks could be undigested food particles, but if they persist, it may be worth discussing with a healthcare provider.

Given these observations, it is advisable to monitor your symptoms closely. If the mucus persists, or if you experience additional symptoms such as abdominal pain, changes in bowel habits, or weight loss, it would be wise to consult a healthcare professional for a thorough evaluation. They may recommend stool tests, blood tests, or imaging studies to determine the underlying cause of your symptoms.

In summary, while the presence of mucus in stool can be normal, changes in its appearance, consistency, and accompanying symptoms should not be ignored. It is essential to consider dietary factors, potential infections, and other gastrointestinal conditions that may be at play. Consulting with a healthcare provider will help ensure that any underlying issues are addressed appropriately, leading to better digestive health and overall well-being.

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