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omeprazole

American  
[oh-mep-ruh-zohl] / oʊˈmɛp rəˌzoʊl /

noun

Pharmacology.
  1. a drug, C 17 H 19 N 3 O 3 S, that inhibits the formation of gastric acid, used in the treatment of peptic ulcers and acid reflux.


Etymology

Origin of omeprazole

First recorded in 1980–85; origin uncertain: perhaps from o(xy-) 2 ( def. ) + me(thyl-) ( def. ) + p(y)r(idine) ( def. ) + (benzimid)azole ( def. )

Example Sentences

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See Examples For:

Medications such as omeprazole, pantoprazole, and esomeprazole work by blocking the H+, K+, ATPase enzyme, also known as the proton pump.

From Science Daily Feb. 26, 2026

With funding from FAPESP, the team examined how ongoing use of omeprazole influenced the absorption of key minerals in rats.

From Science Daily Feb. 26, 2026

He had taken omeprazole for years for heartburn.

From Seattle Times Feb. 21, 2024

How Perrigo’s tax shelter worked: In 2005, EY devised a plan to help Perrigo, then based in Allegan, Mich., avoid U.S. taxes on its popular anti-heartburn medication, omeprazole.

From New York Times Jul. 7, 2022

Millions now take powerful medications like esomeprazole, lansoprazole or omeprazole without a prescription to ease their heartburn symptoms.

From Seattle Times Apr. 13, 2022

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