Overview Lansoprazole is a proton pump inhibitor (PPI) used to treat acid-related stomach and esophageal conditions. It helps reduce stomach acid production, providing relief from conditions such as gastroesophageal reflux disease (GERD), ulcers, and Zollinger-Ellison syndrome. This article explores its uses, benefits, potential side effects, dosage guidelines, and more. What is Lansoprazole? Lansoprazole is a medication that decreases the amount of acid produced in the stomach. It is commonly prescribed to manage acid-related disorders and is available in both prescription and over-the-counter (OTC) forms. It is marketed under brand names such as Prevacid and various generic equivalents. How It Works…