dexa·​meth·​a·​sone | \ ˌdek-sə-ˈme-thə-ˌsōn How to pronounce dexamethasone (audio) , -ˌzōn \

Definition of dexamethasone

: a synthetic glucocorticoid C22H29FO5 used especially as an anti-inflammatory agent

Examples of dexamethasone in a Sentence

Recent Examples on the Web In a sign that physicians were deeply concerned about Trump’s prognosis, doctors also administered the steroid dexamethasone. Melissa Healy, Los Angeles Times, 21 July 2022 In addition to dexamethasone and baricitinib, another anti-inflammatory drug called tocilizumab has been shown to help. Carl Zimmer,, 7 July 2022 The Latin Foods Market recall covers just one Artri King product that can contain both diclofenac and dexamethasone. Chris Smith, BGR, 21 June 2022 Steroids like dexamethasone can broadly suppress the immune system and, in turn, reduce inflammation. Patrick Jackson, The Conversation, 20 Sep. 2021 Steroids like dexamethasone have been used to treat the worst effects of COVID-19 by reducing the body’s own immune response. Popular Science, 15 Dec. 2020 Similarly, consuming dexamethasone may lead to severe adverse events. Chris Smith, BGR, 21 June 2022 While monoclonal antibody treatments like Regeneron might become less effective, there’s no real reason to think that other staples like dexamethasone or tocilizumab would stop working. Andy Larsen, The Salt Lake Tribune, 2 Dec. 2021 Metrics like Covid hospitalizations or Covid deaths have changed in some places, too: Some states have begun reporting Covid hospitalizations only for those on the Covid-specific medications dexamethasone and remdesivir. Melody Schreiber, The New Republic, 22 Apr. 2022 See More

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

First Known Use of dexamethasone

1958, in the meaning defined above

History and Etymology for dexamethasone

dexa- (blend of deca- and hexa-) + methyl + -a- (perhaps from pregnane, a parent compound of corticoid hormones) + -sone (as in cortisone)

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The first known use of dexamethasone was in 1958

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Last Updated

31 Jul 2022

Cite this Entry

“Dexamethasone.” Dictionary, Merriam-Webster, Accessed 18 Aug. 2022.

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More Definitions for dexamethasone


dexa·​meth·​a·​sone | \ ˌdek-sə-ˈmeth-ə-ˌsōn, -ˌzōn How to pronounce dexamethasone (audio) \

Medical Definition of dexamethasone

: a synthetic glucocorticoid C22H29FO5 also used in the form of its acetate C24H31FO6 or sodium phosphate C22H28FNa2O8P especially as an anti-inflammatory and anti-allergic agent — see decadron

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