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.
Magnesium citrate is available to children for the treatment of constipation by prescription only and comes in both liquid and tablet forms. According to drugs.com, the usual pediatric dose of magnesium citrate in children under 6 years old is 0.5 milliliters per kilogram up to a maximum of 200 milliliters per day. The usual dose for children 6 to 12 years old is between 100 and 150 milliliters per day taken at one time.