Brown stools need to be considered for dietary, medication and disease reasons. For example, iron-containing diet, bismuth medication, peptic ulcer and so on.
1. Dietary causes: such as eating animal blood products, animal liver, etc., this kind of food is rich in iron, after oxidation in the intestinal tract can lead to dark brown stools.
2. Drug causes: such as bismuth potassium beryllate, polysaccharide iron complex and other bismuth and iron drugs, which can lead to dark brown or black stools under the effect of intestinal oxidation.
3. Disease causes: such as acute gastritis, peptic ulcer, esophageal and gastric tumors and other diseases can lead to upper gastrointestinal bleeding, iron oxidation of blood cells in the intestinal tract can lead to dark brown stools, more bleeding can present tarry stools. It is often combined with other symptoms, such as acid reflux, stomach pain, fatigue, difficulty in eating, etc. It is necessary to combine with stool routine, gastroscopy and other investigations.
If you find brown stools with uncomfortable symptoms, it is recommended to consult a doctor to clarify the cause.