Tagamet is a trusted medication formulated with the active ingredient Cimetidine, available in strengths of 200 mg, 400 mg, and 800 mg. It is specifically effective in treating various conditions such as stomach ulcers, gastroesophageal reflux disease (GERD), Zollinger-Ellison syndrome, and excessive stomach acid production. Manufactured by esteemed pharmaceutical companies, Tagamet is also sold under alternative brand names including Bisotidine, Tymidin, Ulciban, and Cimetidine.