What is pink blood in the stool?

1. Patients with unreasonable diet

eat a large number of foods containing red pigment, such as red pitaya, amaranth

, etc.

, because pigment is difficult to be completely absorbed and metabolized by the body, so there will be pigment mixed in the stool, external performance similar to pink blood in the stool, which is a normal physiological phenomenon.

2. Acute enteritis

is an acute inflammatory reaction occurring in the intestinal tract, which can lead to increased mucus secretion, intestinal wall peristalsis, intestinal bleeding, etc., due to mixed bloody mucus in the stool, it also shows pink blood.

3. Anal

fistula refers to the chronic, infectious passage between the anal canal or rectum and perineal skin. Purulent, bloody, mucous secretions will flow out of the fistula external opening, secretions can adhere to the stool, resulting in pink blood in stool.