Nexium 10 mg sachets contain Esomeprazole in granule formulation for oral suspension (Pediatric). Esomeprazole which is a proton pump inhibitor that works by reducing the stomach acid secretion. It is used to treat dyspepsia or indigestion, peptic ulcer disease, gastroesophangeal reflux disease (G.E.R.D) and zollinger Ellison syndrom disease.