Introduction The H2 Receptor Antagonist Market refers to the pharmaceutical sector focused on drugs that block histamine type 2 (H2) receptors in the stomach lining, thereby reducing gastric acid secretion. These drugs are widely prescribed for conditions such as gastroesophageal reflux disease (GERD), peptic ulcers, Zollinger-Ellison syndrome, and dyspepsia. H2 receptor antagonists...