dragoon - a member of a European military unit formerly composed of heavily armed cavalrymen. 1  cavalryman, trooper - a soldier mounted on horseback; a cavalryman always takes good care of his mount.
However, milder products (e.g., stool softeners, bulk-forming laxatives) should be used whenever possible for constipation. Magnesium citrate is a saline laxative that is thought to work by increasing fluid in the small intestine. It usually results in a bowel movement within 30 minutes to 3 hours.
In between 4 and 7 o'clock, you will need to drink at least 3 to 6, 8 ounce glasses of clear liquid. Try to drink more if possible. The Magnesium Citrate works by taking extra water from your body and moving it to the colon. This causes the feces in your colon to break up and will start diarrhea. It can take up to 4 hours for the diarrhea to start.