Zantac why is it used

Ranitidine was previously used for the treatment and prevention of stomach and duodenum ulcers, and the treatment of heartburn, inflammation of the. Ranitidine, sold under the brand name Zantac among others, is a medication that is used to decrease stomach acid production. It is commonly. Ranitidine is a histamine-2 blocker that reduces acid in the stomach. Ranitidine has been used to treat conditions in which the stomach produces too much acid.