Question: is prevacid considered an antacid?
Answer: What Is Prevacid (Lansoprazole)? Prevacid is the brand name for lansoprazole, a drug used to treat ulcers, gastroesophageal reflux disease (GERD), and Zollinger-Ellison syndrome. The drug is also available over-the-counter (OTC) at a lower strength to relieve heartburn and the symptoms of acid reflux.