NCIt definition : A solution of magnesium hydroxide with antacid and laxative properties. Milk of magnesium
exerts its antacid activity in low doses such that all hydroxide ions that enter the
stomach are used to neutralize stomach acid. This agent exerts its laxative effect
in higher doses so that hydroxide ions are able to move from the stomach to the intestines
where they attract and retain water, thereby increasing intestinal movement (peristalsis)
and inducing the urge to defecate.;