Prilosec, with the active ingredient omeprazole, is a proton pump inhibitor (PPI) that decreases the amount of acid produced in the stomach. It is commonly used to treat gastroesophageal reflux disease (GERD), stomach and duodenal ulcers, and other conditions involving excessive stomach acid, such as Zollinger-Ellison syndrome. Prilosec works by inhibiting the proton pump enzyme […]
