Mechanism of Action of Ranitidine
Introduction Ranitidine is a histamine H2 receptor antagonist previously used in the treatment of peptic ulcer disease, gastroesophageal reflux disease (GERD), and acid-related disorders. It reduces gastric acid secretion by blocking histamine-mediated stimulation of gastric parietal cells. Although its use has declined in many countries due to concerns regarding NDMA contamination, its pharmacological mechanism remains … Read more