What is the use of tagamet (cimetidine)?

Reduces stomach acid. Tagamet ( cimetidine) reduces production of stomach acid through blocking h2 receptors on the gastric parietal cell. This helps reduce aid indigestion / heartburn and can help heal erosions of the lining of either the esophagus or stomach. The h2 blockers are not as potent as the proton pump inhibitors such as omeprazole.