Take control of your heartburn with Nexium Control Capsules. Nexium Control can provide up to 24 hour protection from heartburn, offering an effective alternative to short-term relief such as antacids and alginates.Take just one pill a day. These capsules work by reducing stomach acid at the source to help provide relief all day and all night, helping keep you heartburn free and providing short-term treatment of reflux symptoms in adults aged 18 or over. These innovative mini capsules come in a portable bottle as well so they're perfect for when you're on the go. < Each Gastro-Resistant Hard Capsule contains 20 mg Esomeprazole (as Magnesium Trihydrate). See package leaflet for further information. Take one hard capsule once a day. Do not exceed this dose. The hard capsule should be swallowed whole with half a glass of water. Do not chew, crush or open the hard capsule. May take up to 2-3 days for full effect. If your symptoms worsen or do not improve after taking this medicine for 14 days in a row, contact your doctor. Read the package leaflet before use. Oral use.