Pentab-40 Tablet 10 belongs to the Proton pump inhibitor class of drugs, which reduces the amount of acid produced by your stomach. It is used to treat gastroesophageal reflux disease (GERD), stomach ulcers, Zollinger Ellison syndrome (pancreatic tumor-induced acid overproduction), duodenal ulcers, gastric ulcers, and Crohn's disease-associated ulcers.Disclaimer:For More Information Contact Your Physician