When you buy Nexium from the merchants listed on our website, all orders are confidential. Nexium capsules should be applied one hour before a meal. For while taking Esomeprazole? If you buy any medicines check with a pharmacist that they are safe to take with Esomeprazole. Because Nexium is likely to appear in breast milk you will need to take Nexium. Esomeprazole is used to treat ulcers, gastroesophageal reflux disease. Nexium is usually taken once a day at least one hour before a meal. By reducing acid production in the stomach.