Rabeprazole 20 mg + Domperidone 10 mg is prescribed to alleviate acid reflux, gastroesophageal reflux disease (GERD), and related nausea. Rabeprazole lowers stomach acid secretion, whereas Domperidone speeds up stomach emptying and suppresses backflow of acid. It relieves heartburn, bloating, and indigestion. This drug is also used for peptic ulcers and acid disorders.