The demulcent and anti-ulcerogenic action of Licorice is beneficial in gastric and duodenal ulcers.
The principal constituent of licorice is glycyrrhizin. Licorice is used for the treatment of asthma, acute and chronic bronchitis and chronic cough. It is a mild anti-inflammatory in arthritis and rheumatism and is used to treat gastric, duodenal and esophageal ulceration or inflammation, heartburn and mouth ulcers.

  The root in traditional medicine is used as a drug for strengthening muscle and bone, for increasing physical strength and for curing wounds in peptic ulcer. It is effective in acute cases of conjunctivitis, hyperprolactinemia. Glycyrrhizin, a glycosoid, has been shown to inhibit ulcers in rats and cures experimental gastric ulcers caused by acetic acid administration.