Proton pump inhibitors reduce the production of acid and are used to prevent and treat acid-related conditions including ulcers and gastroesophageal reflux disease (gerd) zantac (ranitidine) is an h2 (histamine) blocker that blocks the production of acid in the stomach. Zantac gerd. Zantac is a medicine that is used to treat various conditions related to the esophagus, stomach, and intestines by blocking a specific kind of histamine receptor in the body, the medication can help treat heartburn, gastroesophageal reflux disease (gerd), erosive esophagitis, gastric ulcers, and other conditions.
zantac gerd
