Do not use omeprazole if you are also using medicines containing rilpivirine (Edurant®, Complera®). Using these medicines together may cause unwanted side effects. Omeprazole is available under the following different brand names: Prilosec, and Prilosec OTC. This drug is available as a capsule or oral liquid suspension. This drug is available by prescription as a delayed-release oral capsule or delayed-release oral suspension. Shop for Omeprazole in Antacids and Heartburn Relief. Buy products such as Equate Omeprazole 20mg Tablets Delayed Release, Acid Reducer for Frequent Heartburn, 42 Count, Compare to Prilosec OTC at Walmart and save. Find patient medical information for Omeprazole (Prilosec, Prilosec OTC) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Shop CVS for over the counter medicine with the active ingredient Omeprazole! FREE Shipping on most orders! Omeprazole is a proton pump inhibitor (PPI) that works by blocking the acid pump in your stomach, reducing how much acid it makes and giving irritated or damaged tissue a chance to heal. Omeprazole brand names are Prilosec, Prilosec OTC, and generic brands are available. Kirkland Signature Omeprazole 20 mg., 42 Tablets, Compare to Prilosec OTC® Active Ingredient, Treats Frequent Heartburn Occurring 2 or More Days per Week, Three 14-day Courses of Treatment, Inhibits Acid Production at the Source, Delayed-Release Tablets Omeprazole, sold under the brand names Prilosec and Losec among others, is a medication used in the treatment of gastroesophageal reflux disease (GERD), peptic ulcer disease, and Zollinger–Ellison syndrome. [1] Lists the various brand names available for medicines containing omeprazole. Find information on omeprazole use, treatment, drug class and molecular formula. This webpage presents a reference guide for all the available brand and trade names of generic drug called Omeprazole in the market.