Nov 26, 2025 · Ranitidine is used to treat and prevent ulcers in the stomach and intestines. It is also used to treat conditions in which the stomach produces too much acid, such as Zollinger-Ellison …

Ranitidine is an H 2 histamine receptor antagonist that works by blocking histamine, thus decreasing the amount of acid released by cells of the stomach. [9] Ranitidine was discovered in England in …

Nov 25, 2025 · Ranitidine, an H2 receptor antagonist, is widely used to treat conditions including gastroesophageal reflux disease (GERD), peptic ulcers, and Zollinger-Ellison syndrome.

Over-the-counter ranitidine is used to prevent and treat symptoms of heartburn associated with acid indigestion and sour stomach. Ranitidine is in a class of medications called H 2 blockers. It …

Ranitidine is an oral drug that blocks the production of acid by acid-producing cells in the stomach. It belongs to a class of drugs called H2 (histamine-2) blockers that also includes cimetidine (Tagamet …

Jan 22, 2026 · Ranitidine is an H2 blocker that reduces the amount of acid the stomach produces. It's used to treat conditions like gastroesophageal reflux disease (GERD) and ulcers.

What is this medication? RANITIDINE (ra NYE te deen) is a type of antihistamine that blocks the release of stomach acid. It is used to treat stomach or intestinal ulcers. It can relieve ulcer pain and …

Jun 13, 2005 · Ranitidine is a histamine H2 antagonist used to treat duodenal ulcers, Zollinger-Ellison syndrome, gastric ulcers, GERD, and erosive esophagitis. Ranitidine is a commonly used drug, …

Ranitidine is a prescription drug used to treat ulcers of the stomach and intestines. Learn about side effects, drug interactions, dosages, warnings, and more.

Ranitidine This information from Lexicomp explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.