hydroxychloroquine

noun

hy·​droxy·​chlor·​o·​quine hī-ˌdräk-sē-ˈklȯr-ə-ˌkwēn How to pronounce hydroxychloroquine (audio)
-kwin
: a drug derived from quinolone that is taken orally in the form of its sulfate C18H26ClN3O·H2SO4 to treat malaria, rheumatoid arthritis, and lupus erythematosus
Two commonly used antimalarials are chloroquine and hydroxychloroquine, both generic drugs.Consumer Reports
Originally an antimalarial drug, hydroxychloroquine is often … prescribed to people with mild, slowly progressing arthritis.Samir Sutaria

Examples of hydroxychloroquine in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One leading member of the journal’s editorial board, a stubborn advocate for using hydroxychloroquine and ivermectin to treat COVID-19, has lost five papers to retraction. Adam Marcus, The Atlantic, 13 Feb. 2025 In the petition, the group advocated for other treatments instead of vaccines, including ivermectin and hydroxychloroquine, despite them having already been deemed ineffective. Sara Dorn, Forbes, 22 Jan. 2025 The Ministry of Health and Family Welfare has consistently endorsed the use of the drug hydroxychloroquine to fend off the disease, even though the drug is not known to work against viral pathogens. Ramanan Laxminarayan, Foreign Affairs, 26 May 2021 The owner of the pharmacy that planned to sell hydroxychloroquine to the state later pleaded guilty to federal charges of illegally importing the drug. Erin Alberty, Axios, 18 Dec. 2024 See All Example Sentences for hydroxychloroquine

Word History

First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of hydroxychloroquine was in 1951

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Cite this Entry

“Hydroxychloroquine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroxychloroquine. Accessed 27 Feb. 2025.

Medical Definition

hydroxychloroquine

noun
hy·​droxy·​chlor·​o·​quine -ˈklōr-ə-ˌkwēn, -kwin How to pronounce hydroxychloroquine (audio)
: a drug derived from quinoline that is administered orally in the form of its sulfate C18H26ClN3O·H2SO4 to treat malaria, rheumatoid arthritis, and lupus erythematosus see plaquenil
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