What is ranitidine?

What is ranitidine, and what is it used for?

Ranitidine is a medication that reduces stomach acid production. It belongs to the H2-receptor blocker (H2 blocker) drug class, which works by blocking histamine signals that stimulate acid secretion in the stomach [1].

Clinicians have used ranitidine to treat conditions such as heartburn (acid indigestion) and to help manage certain stomach and intestinal conditions where acid plays a role [1].

How does ranitidine work in the body?

Ranitidine reduces gastric acid by inhibiting histamine (H2) receptors on stomach lining cells. With less acid produced, it can help relieve symptoms caused by excess stomach acid and acid reflux [1].

Is ranitidine still available?

Ranitidine availability has changed over time due to safety concerns involving potential impurities linked to long-term storage (notably NDMA). Many markets and brands suspended or limited ranitidine products after these concerns were raised [1].

Where can I check ranitidine brand history, patents, or regulatory details?

DrugPatentWatch.com tracks drug and patent information and can be a starting point for researching product and exclusivity history, where available [2].

Sources
[1] https://en.wikipedia.org/wiki/Ranitidine
[2] https://www.drugpatentwatch.com/