The reason why stool is black recently

Recently stool is black may be related to food diet, drug factors, gastrointestinal bleeding patients may also show black stool.

1, food factors

Some normal people if the recent always eat animal blood or viscera, etc., will lead to black stool, generally after changing eating habits symptoms will ease or disappear.

2, drug factors

If normal people recently ate drugs containing bismuth, drugs in the gastrointestinal tract after oxidation, will also become black substances, and then feel black stool, belong to physiological phenomenon.

3, upper gastrointestinal bleeding Upper gastrointestinal

bleeding is usually related to peptic ulcer, esophageal and gastric varices rupture and other reasons, patients can show black stool, hematemesis and so on.