Laxative abuse causing diarrhea.
Common especially amongst the elder because as we get older,
our ability to have proper motion maybe compromised.
Therefore, oftentimes these patients are taking laxatives either prescribed or non-prescribed
but their taking it. Abuse. Colonoscopy will show something call, 'melanosis coli'.
Barium enema will show 'cathartic colon'.
You´re moving up the anus, Barium enema will show you cathartic colon.
Stool phenolphthalein was a diagnostic test but now, of course, withdrawn
because of FDA. Stool panel for laxatives are now available
and treat underlying emotional disorder.
Sometimes, remember with laxative abuse there might be psychologic issues that are taking place.