Pictures of Nexium (Esomeprazole Magnesium), drug imprint information, side effects for the patient. Esomeprazole is a proton pump inhibitor that decreases the amount of acid produced in the stomach. Esomeprazole is used to treat symptoms of gastroesophageal reflux disease and other conditions involving excessive stomach acid such as Zollinger-Ellison syndrome. Esomeprazole Magnesium reference guide for safe and effective use from the American Society of Health-System Pharmacists (AHFS DI). Clinical Pharmacology. Esomeprazole works by binding irreversibly to the H+/K+ ATPase in the proton pump. Because the proton pump is the final pathway for secretion of hydrochloric acid by the parietal cells in the stomach, its inhibition dramatically decreases the secretion of hydrochloric acid into the stomach and alters gastric pH. Esomeprazole oral capsule is a prescription drug that decreases the amount of acid the stomach makes. It can be used to treat GERD, esophagitis, and other conditions, and to prevent stomach ulcers. Amlodipine Besilate 10 mg, 2. Lisinopril 20 mg,3. Atenolol 50 mg, and Omeprazole 20 mg for stomach) On 9/28, the Cardiologist resumes her with Warfarin (1 mg/day to start with) despite our request to leave the trial & switch to Aspirin. Esomeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers). It works by decreasing the amount of acid your stomach makes. It relieves symptoms such as. Esomeprazole, sold under the brand names Nexium among others, is a medication which reduces stomach acid. It is used to treat gastroesophageal reflux disease, peptic ulcer disease, and Zollinger–Ellison syndrome. Prescription esomeprazole is used to treat the symptoms of gastroesophageal reflux disease (GERD), a condition in which backward flow of acid from the stomach causes heartburn and possible injury of the esophagus (the tube between the throat and stomach) in adults and children 1 year of age and older. Omeprazole (Prilosec) and esomeprazole (Nexium) are medications that fall under the type of drugs called proton pump inhibitors. Proton pump inhibitors are drugs that inhibit hydrochloric acid production in the gastric cavity specifically on the parietal cells. Parietal cells of the stomach are the.