Complete blood count for iron deficiency anaemia due to bleeding
Digital rectal examination: The doctor inserts a lubricated gloved finger into the rectum to feel for any lump or other abnormality.
Fecal occult blood tests for hidden blood in the stool from bleeding blood vessels.
Double contrast barium enema (DCBA): This detects abnormalities in the colon and rectum. A liquid containing barium is put into the rectum after which the colon and rectum are X-rayed. Air is put into the rectum…
