Find patient medical information for Esomeprazole (Nexium) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Esomeprazole is used to treat symptoms of gastroesophageal reflux disease (GERD) and other conditions involving excessive stomach acid such as Zollinger-Ellison syndrome. Esomeprazole is also used to promote healing of erosive esophagitis (damage to your esophagus caused by stomach acid). Esomeprazole (Nexium) is a medication used to treat conditions that are caused by too much stomach acid, such as heartburn or acid reflux. It's available both with a prescription and over the counter (OTC). Take esomeprazole (Nexium) an hour before a meal so that it can start working before you eat. Nexium is a proton pump inhibitor that decreases the amount of acid produced in the stomach. Nexium is used to treat symptoms of gastroesophageal reflux disease (GERD) and other conditions involving excessive stomach acid such as Zollinger-Ellison syndrome. The Nexium dosage for initial treatment of EE is 20 mg or 40 mg once daily for 4 to 8 weeks. You may need to repeat this treatment course if your esophagus doesn’t fully heal the first time around. Nexium® capsules are a brand of esomeprazole that treats conditions that cause too much stomach acid like stomach ulcers or reflux disease. It can relieve heartburn. Shop nexium 40 mg at Walgreens. Find nexium 40 mg coupons and weekly deals. Pickup & Same Day Delivery available on most store items. Nexium doses vary by age and condition. Learn the safe daily limits for OTC and prescription use, and why taking more won’t help your symptoms faster. Your doctor may prescribe Nexium twice-daily dose when conventional daily dosing fails to control GERD or PUD. However, Nexium 40 mg twice a day carries a higher risk of side effects. Esomeprazole is used to treat conditions where there is too much acid in the stomach. It is used to treat duodenal and gastric ulcers, erosive esophagitis, gastroesophageal reflux disease (GERD), and Zollinger-Ellison syndrome, a condition wherein the stomach produces too much acid.