hydroxychloroquine
noun
hy·droxy·chlor·o·quine
hī-ˌdräk-sē-ˈklȯr-ə-ˌkwēn 
-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
Consumer ReportsOriginally an antimalarial drug, hydroxychloroquine is often … prescribed to people with mild, slowly progressing arthritis.—Samir Sutaria
Samir SutariaExamples of hydroxychloroquine in a Sentence
Recent Examples on the Web
One of the most notable scientific papers that first popularized hydroxychloroquine as a COVID-19 treatment was retracted from its journal due to ethical and methodological issues.
—Youri Benadjaoud, ABC News, 18 Dec. 2024
Common antimalarial drugs that cause tinnitus include quinine, hydroxychloroquine, and chloroquine.
—Ayesha Gulzar, Verywell Health, 13 Dec. 2024
Early in the pandemic, Janet Woodcock, then the head of the FDA’s drug center, reportedly sprang into action to prevent widespread distribution of the unproven COVID treatment hydroxychloroquine over the orders of top Trump officials.
—Nicholas Florko, The Atlantic, 27 Feb. 2025
Pushing clinical trials for hydroxychloroquine to treat mood disorders (remember this from COVID?) or promoting something like juicing as a treatment for depression?
—Megha Satyanarayana, Scientific American, 21 Feb. 2025
See All Example Sentences for hydroxychloroquine
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Youri Benadjaoud, ABC News, 18 Dec. 2024
Common antimalarial drugs that cause tinnitus include quinine, hydroxychloroquine, and chloroquine.
—Ayesha Gulzar, Verywell Health, 13 Dec. 2024
Early in the pandemic, Janet Woodcock, then the head of the FDA’s drug center, reportedly sprang into action to prevent widespread distribution of the unproven COVID treatment hydroxychloroquine over the orders of top Trump officials.
—Nicholas Florko, The Atlantic, 27 Feb. 2025
Pushing clinical trials for hydroxychloroquine to treat mood disorders (remember this from COVID?) or promoting something like juicing as a treatment for depression?
—Megha Satyanarayana, Scientific American, 21 Feb. 2025
See All Example Sentences for hydroxychloroquine
Cite this Entry
“Hydroxychloroquine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroxychloroquine. Accessed 19 Apr. 2025.
Copy CitationMedical Definition
hydroxychloroquine
noun
hy·droxy·chlor·o·quine
-ˈklōr-ə-ˌkwēn, -kwin
: 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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