Ranitidine or omeprazole for gastritis. Gaviscon works by forming a protective layer that floats on top of the contents of your stomach. This is done by omeprazole by blocking the work of the cell parts that produce acid. 22 The agent has been developed for the treatment of patients with duodenal ulcer with or without infection with H pylori. These include Omeprazole, Esomeprazole, Lanzoprazole, Pantoprazole and Rabeprazole. Learn which class will work best for you. Antacids Aluminum hydroxide, magnesium hydroxide (Mylanta, Maalox) Calcium carbonate (Tums, Rolaids, Chooz) Bismuth subsalicylate (Pepto-Bismol) Sodium bicarbonate (Alka-Seltzer) Proton Pump Inhibitors Omeprazole (Prilosec) Lansoprazole (Prevacid) Rabeprazole (Aciphex) Esomeprazole (Nexium) Pantoprozole (Protonix) Histamine2 Blockers Cimetidine (Tagamet) Ranitidine hydrochloride (Zantac . 73 Three clinical studies have evaluated ranitidine in the context of gastritis treatment: one trial investigated monotherapy, while two others compared ranitidine with omeprazole or sucralfate. Meanwhile, omeprazole works by blocking the production of stomach acid, so it can help treat gastritis and other diseases related to stomach acid. This stops stomach acid escaping up into your esophagus. g. idnim bmadjo lkgm icfw hnlsmr qipqu tvoa qjq ptmgj qjrnvq