n. a drug used to stimulate or increase the frequency of bowel evacuation (also called a cathartic or purgative), or to encourage the passage of a softer or bulkier stool. The common laxatives are the stimulants (e.g. bisacodyl, senna and its derivatives); osmotic laxatives (e.g. magnesium salts, lactulose); and methylcellulose, ispaghula husk, and other bulking agents.
Subjects: Medicine and Health.