Glycerin

List of products in the National Drug Code with proprietary name glycerin. This product is used to relieve occasional constipation. Glycerin belongs to a class of drugs known as hyperosmotic laxatives. It works by drawing water into the intestines. This effect usually results in a bowel movement within 15 to 60 minutes. For adults, the normal frequency of bowel movements varies from once daily to 1 to 2 times weekly. For preschool-aged children, the normal frequency of bowel movements varies from once daily to once every other day. Constipation is best treated by drinking plenty of fluids, eating foods high in fiber, and exercising regularly.