Mechanism of Action of Cimetidine
Introduction Cimetidine is a first-generation histamine H₂-receptor antagonist (H₂ blocker) widely used in the management of acid-related gastrointestinal disorders. It was the first clinically successful H₂ receptor antagonist and marked a major advance in the treatment of peptic ulcer disease by directly reducing gastric acid secretion. Although newer H₂ blockers and proton pump inhibitors (PPIs) … Read more