omep·​ra·​zole | \ ō-ˈme-prə-ˌzōl How to pronounce omeprazole (audio) , -ˈmē-, -ˌzȯl How to pronounce omeprazole (audio) \

Definition of omeprazole

: a benzimidazole derivative C17H19N3O3S that inhibits gastric acid secretion

Examples of omeprazole in a Sentence

Recent Examples on the Web The PPIs include omeprazole (Prilosec), lansoprazole (Prevacid), pantoprazole (Protonix), and esomeprazole (Nexium). Chronicle Staff,, "Coronavirus news from the Bay Area: July 8-9," 12 July 2020 To date, the FDA's testing has not found NDMA in famotidine (Pepcid), cimetidine (Tagamet), esomeprazole (Nexium), lansoprazole (Prevacid) or omeprazole (Prilosec). USA TODAY, "FDA says do not take Zantac, requests removal of all ranitidine products from the market," 1 Apr. 2020 To date, the FDA has not found NDMA in some other products, such as famotidine or Pepcid, esomeprazole or Nexium, or omeprazole or Prilosec. Jacqueline Howard, CNN, "FDA calls for heartburn drug Zantac to be pulled from market immediately," 1 Apr. 2020 Other heartburn medications, such as famotidine (Pepcid), cimetidine (Tagamet), esomeprazole (Nexium), lansoprazole (Prevacid) and omeprazole (Prilosec) have not tested positive for signs of NDMA. NBC News, "Your heartburn drug has been recalled. Now what?," 20 Jan. 2020 The price of her generic version of Zegerid, which is manufactured by Dr. Reddy's Laboratories, is significantly higher than the sum of the prices of its main ingredients: omeprazole and sodium bicarbonate. NBC News, "'Are you kidding me?': Check out the price tags on 'combination drugs'," 29 Dec. 2019 As health minister Maria Luisa Carcedo explained to reporters Wednesday, staff accidentally put minoxidil—the active ingredient in Rogaine—into containers marked as the heartburn treatment omeprazole. Meilan Solly, Smithsonian, "Medication Mix-Up Leaves 17 Children Suffering From ‘Werewolf Syndrome’," 31 Aug. 2019 Immediately upon arriving at the clinic, they were fed intravenously and given cortisone to reduce inflammation, antibiotics to treat their infections, and a medication called omeprazole for their stomach ulcers. Nichole Sobecki, National Geographic, "Exclusive: Inside a controversial South African lion farm," 21 Nov. 2019 The syrups were supposed to include the drug omeprazole, a common drug to treat acid reflux. Beth Mole, Ars Technica, "Hairy “werewolf syndrome” in babies and kids caused by drug mix-up," 29 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'omeprazole.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of omeprazole

1984, in the meaning defined above

History and Etymology for omeprazole

International Scientific Vocabulary omepr- (of unknown origin) + benzimidazole

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Time Traveler for omeprazole

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The first known use of omeprazole was in 1984

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Cite this Entry

“Omeprazole.” Dictionary, Merriam-Webster, Accessed 24 Nov. 2020.

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More Definitions for omeprazole


omep·​ra·​zole | \ ō-ˈmep-rə-ˌzōl How to pronounce omeprazole (audio) , -ˈmē-prə- How to pronounce omeprazole (audio) , -ˌzȯl \

Medical Definition of omeprazole

: a drug C17H19N3O3S that inhibits gastric acid secretion and is taken orally in the short-term treatment of duodenal and gastric ulcers, gastroesophageal reflux disease, erosive esophagitis, and disorders (such as Zollinger-Ellison syndrome) involving gastric acid hypersecretion

Note: Omeprazole is a benzimidazole derivative that acts by inhibiting the activity of proton pumps in the stomach. It is marketed under the trademark Prilosec.

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