Rabeprazole Sodium Domperidone Capsules are formulated to treat certain stomach and esophagus problems like ulcers and acid reflux. This medication helps in decreasing the amount of acid that the stomach produces. The capsule relieves symptoms including a persistent cough, heartburn, and difficulty swallowing. It may help prevent cancer of the stomach. Rabeprazole Sodium Domperidone Capsules belong to a class of drugs popularly known as PPIs (proton pump inhibitors).