Definition of omeprazole
: a benzimidazole derivative C17H19N3O3S that inhibits gastric acid secretion
Origin and Etymology of omeprazole
International Scientific Vocabulary omepr- (of unknown origin) + benzimidazole
First Known Use: 1984
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 ◆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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