What is the reason for pulling oil?

Oil stool generally refers to tarry stool, tarry stool may be related to unreasonable diet, taking drugs, gastrointestinal bleeding and other reasons.

1. Unreasonable diet If a large number

of black sesame seeds, black beans and other dark foods are eaten for a long time, the melanin contained in them may stain the stool black and appear tarry stool.

2. Taking drugs

If the patient recently takes iron such as ferrous sulfate, ferrous gluconate, iron dextran, etc., the iron element may combine with sulfide in the intestinal tract to form black iron sulfide, which is combined with feces and discharged, it is more likely to appear tarry stool.

3. Gastrointestinal bleeding

Gastric ulcer, duodenal ulcer, esophageal varices rupture, intestinal inflammatory diseases, etc. may lead to gastrointestinal bleeding, blood will be digested through the gastrointestinal tract, discharged together with feces, it will appear tarry stool.