what is as good as a proton pump inhibitor
See Prices. Prevacid (lansoprazole) is a proton pump inhibitor (PPI) used to treat GERD, heartburn, gastric ulcer, and duodenal ulcer. It works by reducing acid in the stomach. It is also approved for use in combination with antibiotics for the treatment of Helicobacter pylori (H. pylori) infection.ee Prices. Zegerid (omeprazole with sodium bicarbonate) is a proton pump inhibitor (PPI), which works by reducing acid in the stomach. Sodium bicarbonate helps absorption of the omeprazole. It is used for short term therapy of GERD and for gastric and duodenal ulcers.