What color is ulcerative proctitis bleeding stool

Ulcerative proctitis bleeding stool may appear color including dark red, black, bright red, etc., details are as follows:

1. dark red

if ulcerative proctitis bleeding volume is relatively small, after oxidation occurs in the intestinal tract, the blood color becomes dark, mixed with stool discharged from the body, the color looks dark red.

2. black

if ulcerative proctitis bleeding is not discharged in time, blood retention time in the rectum is too long, hemoglobin fully reacts to form black ferrous sulfide, combined with stool to form black stools.

3. bright red

if ulcerative proctitis does not get timely treatment, the condition worsens so that the venous plexus at the bottom of the rectum ruptures, blood outflow directly mixed with stool, bright red stool appears.