NCIt definition : Also known as Laudanum and formulated for oral administration, Opium tincture is made
of air-dried poppy (Papaver somniferum) latex and contains alkaloids such as morphine
and codeine. As an antidiarrheal agent, it slows transit of intestinal contents by
increasing intestinal smooth muscle tone and inhibiting motility; water is absorbed
from fecal contents, decreasing diarrhea. (NCI04);