In Treatment of Gastroesophageal reflux disease (Acid reflux): GERD is a chronic (long-term) condition that is like having heartburn consistently rather than just occasionally. Izra 20 Tablet belongs to a group of medicines called proton pump inhibitors. It reduces the amount of acid your stomach makes and relieves the pain associated with heartburn and acid reflux. In Treatment of Peptic ulcer disease: Izra 20 Tablet belongs to a group of medicines called proton pump inhibitors. It reduces the amount of acid your stomach makes which prevents further damage to the ulcer as it heals naturally. This medicine is not suitable for some people. Before taking this medicine, you need to tell your doctor if you have severe liver problems, are taking medicines for HIV, have had an allergic reaction to similar medicines in the past, or have osteoporosis. If you are taking this medicine for a long time, your doctor may carry out regular tests to check your levels of magnesium which can fall with this medicine.