ranitidine hydrochloride

Is Cimetidine And Ranitidine The Same Thing? Ranitidine, a new H2-receptor blocking antihistamine, is pharmacokinetically similar to cimetidine, but its potency is about eightfold greater. The clinical response to ranitidine is more prolonged, largely because of potency and not kinetic advantage. Why is ranitidine preferred over cimetidine? These studies show that ranitidine can adequately inhibit