"What Causes Dark Green Stool?"

Dark green stool can be caused by normal phenomena, indigestion, bacterial dysentery, and other factors.

1. Normal Phenomena: Eating too many green leafy vegetables such as spinach and leeks can lead to dark green stool. This is because green leafy vegetables are rich in chlorophyll, which is excreted after digestion and absorption, resulting in dark green stool. This is a normal phenomenon.

2. Indigestion: After indigestion, the patient's stool contains more acidic substances. When oxidized by air, it may appear dark blue, usually accompanied by upper abdominal discomfort, postprandial fullness, acid reflux, and other discomfort symptoms.

3. Bacterial Dysentery: Patients with bacterial dysentery may have symptoms such as diarrhea, abdominal pain, fever, and usually have bloody mucoid stool. At this time, the stool contains bile acids, which can turn the stool dark blue after oxidation.

It is recommended that patients avoid eating difficult-to-digest foods, pay attention to a light diet, and eat fresh vegetables and fruits. If there are any discomfort symptoms, they should seek medical attention and treatment promptly to avoid delaying the condition.