dexa·​meth·​a·​sone ˌdek-sə-ˈme-thə-ˌsōn How to pronounce dexamethasone (audio)
: a synthetic glucocorticoid C22H29FO5 used especially as an anti-inflammatory agent

Examples of dexamethasone in a Sentence

Recent Examples on the Web First, in the early 2000s, there was a three-drug regimen with Revlimid (sold generically as lenalidomide), Velcade (Bortezomib) and dexamethasone, then in 2018 as a four-drug combination with the addition of Darzalex (daratumumab). Karen Weintraub, USA TODAY, 1 Sep. 2023 Some other altitude sickness medications include dexamethasone and nifedipine. Katie Hill, Outdoor Life, 14 June 2023 My question is, can the dexamethasone injection affect the lab test and give a false negative result? Dr. Keith Roach, oregonlive, 5 May 2023 Prescription medications for croup might include glucocorticoids for mild cases of croup or dexamethasone or epinephrine for moderate to severe croup. Ashley Abramson, Health, 9 Mar. 2023 Trump’s dexamethasone treatment indicates that one of two things are true. Sarah Todd, Quartz, 4 Oct. 2020 More than 210,000 people have died from COVID-19 in the USA, and the president was administered drugs not available to many Americans, including Regeneron, which has not been approved by the Food and Drug Administration, as well as remdesivir and dexamethasone. Jessica Guynn, USA TODAY, 6 Oct. 2020 For a different reason, I was administered a three-day dexamethasone injection of high dosages. Dr. Keith Roach, oregonlive, 5 May 2023 The infection is treated with a combination of drugs, including the antibiotic azithromycin, the antifungal fluconazole, the antimicrobial drug miltefosine and the corticosteroid dexamethasone. Jacqueline Howard, CNN, 2 Mar. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dexamethasone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of dexamethasone was in 1958

Dictionary Entries Near dexamethasone

Cite this Entry

“Dexamethasone.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2023.

Medical Definition


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