Omeprazole + domperidone capsules are used in the treatment of gastroesophageal reflux disease (acid reflux) and peptic ulcer disease.

Generic Prilosec is used for treating heartburn or irritation of the esophagus caused by gastroesophageal reflux disease (GERD). It may also be used for short-term treatment of ulcers of the stomach or small intestines and to help prevent them from coming back; to treat conditions that cause your body to make too much stomach acid (eg, Zollinger-Ellison syndrome).