Ranitidine is a drug that reduces acid production in the stomach. Commonly known by the brand name Zantac, ranitidine is classified as a histamine H2 receptor antagonist. It works by binding to histamine receptors on the parietal cells of the stomach, which reduces stomach acid production. https://cmi.hashnode.dev/ranitidine-an-overview-of-the-popular-heartburn-medication