A histamine congener, it competitively inhibits histamine binding to histamine H2 receptors. Cimetidine has a range of pharmacological actions. It inhibits gastric acid secretion, as well as pepsin and gastrins output. It also blocks the activity of cytochrom…

Famotidine is a competitive histamine-2 (H₂) receptor antagonist that works to inhibit gastric acid secretion. It is commonly used in gastrointestinal conditions related to acid secretion, such as gastric ulcers and gastroesophageal reflux disease …

Metiamide is an H-2 receptor antagonist derived from burimamide. It was an intermediate product on the path to developing cimetidine.

An antimuscarinic agent that inhibits gastric secretion at lower doses than are required to affect gastrointestinal motility, salivary, central nervous system, cardiovascular, ocular, and urinary function. It promotes the healing of duodenal ulcers and due to…

Ranitidine is a commonly used drug, classified as a histamine H2-receptor antagonist, and belongs to the same drug class as [cimetidine] and [famotidine]. This drug helps to prevent and treat gastric-acid associated conditions, including ulcers, because of it…