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 But dexamethasone can stop this immune response to protect the body. Molly Longman,, "What Is Dexamethasone & Will It Help Coronavirus Patients?," 29 June 2020 Unlike with hydroxychloroquine, the study results of dexamethasone appear to hold up. Dr. Sanjay Gupta, CNN, "Science by press release: When the story gets ahead of the science," 27 June 2020 And five showed greater killing power in the lab setting than remdesivir, the only antiviral drug currently available to some patients for emergency use (in addition, a steroid called dexamethasone has been found to reduce the COVID-19 death rate). Jason Fagone,, "‘There’s a cocktail out there that can cure this’: Inside a UCSF-led quest to exploit the coronavirus' weak spots," 26 June 2020 Among this group of immunity-targeting treatments are steroids like dexamethasone, which reportedly reduced deaths among a group of patients suffering from severe COVID-19. Katherine J. Wu,, "Gilead to test a version of remdesivir that can be inhaled," 22 June 2020 Even if hospitals did run into shortages of dexamethasone, hospital pharmacists could make substitutions pretty easily. Katherine Ellen Foley, Quartz, "Dexamethasone’s supply chain is the most exciting thing about it," 18 June 2020 Indeed, on Tuesday, the Food and Drug Administration reported shortages of dexamethasone in its IV form, citing increases in demand for the drug. NBC News, "'Science by press release': Doctors view COVID-19 drug results with excitement and skepticism," 16 June 2020 As part of the British trial 2,104 patients were randomly assigned to receive dexamethasone either orally or by injection. The Economist, "Light amid the gloom A cheap steroid cuts deaths from severe covid-19," 16 June 2020 Researchers at Oxford University have discovered what is believed to be the first evidence of a drug that can reduce the risk of death from COVID-19 by up to one-third, a steroid known as dexamethasone. Fox News, "'Life-saving' coronavirus drug discovered by Oxford researchers," 16 June 2020

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.

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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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Time Traveler for dexamethasone

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The first known use of dexamethasone was in 1958

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Last Updated

6 Jul 2020

Cite this Entry

“Dexamethasone.” Dictionary, Merriam-Webster, Accessed 11 Jul. 2020.

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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 antiallergic agent — see decadron

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