chlo·​ro·​quine | \ ˈklȯr-ə-ˌkwēn How to pronounce chloroquine (audio) \

Definition of chloroquine

: an antimalarial drug C18H26ClN3 administered in the form of its bitter crystalline diphosphate

Examples of chloroquine in a Sentence

Recent Examples on the Web In March, the FDA granted emergency authorization to treat COVID-19 patients with hydroxychloroquine and chloroquine, which have been used against malaria, rheumatoid arthritis, lupus and other conditinos. Dallas News, "Here are the drugs being used to treat coronavirus patients," 13 Oct. 2020 In July, the US Food and Drug Administration revoked an emergency use authorization for hydroxychloroquine and chloroquine to treat Covid-19. Jacqueline Howard, CNN, "Hydroxychloroquine didn't prevent Covid-19 among health care workers in new study," 30 Sep. 2020 These are known possible side effects of chloroquine, Medline Plus explains, but nausea and muscle aches can also be symptoms of the coronavirus. Sarah Jacoby, SELF, "Rita Wilson Was 'Shocked' to Learn That Her Jet Lag Symptoms Were Actually COVID-19," 17 Sep. 2020 Another study published by JAMA International Medicine was about a surge in internet searches about chloroquine and hydroxychloroquine after Trump and Elon Musk endorsed their use as a COVID-19 treatment. Gary Warth San Diego Union-tribune, Star Tribune, "Researchers find jump in anxiety, panic attacks amid pandemic," 3 Sep. 2020 Another study published in April by JAMA International Medicine was about a surge in Internet searches about chloroquine and hydroxychloroquine after President Trump and entrepreneur Elon Musk endorsed their use as a COVID-19 treatment. Gary Warth, San Diego Union-Tribune, "Feeling extra anxious these days? Study of online traffic says you’re not alone," 31 Aug. 2020 But the president is perhaps best known for his early and ardent embrace of the malaria drugs hydroxychloroquine and chloroquine. Author: Jonathan Lamire And Mike Stobbe, Anchorage Daily News, "Trump announces plasma treatment authorized for COVID-19," 24 Aug. 2020 Amodiaquine’s molecular structure is very similar to those of chloroquine and hydroxychloroquine, the latter of which was discovered around the same time. Roxanne Khamsi, Wired, "Hydroxychloroquine Is Toast. Now Say Hi to Its 'Dirty' Cousin," 20 Aug. 2020 Pazuello published guidelines for the use of chloroquine and hydroxychloroquine in the early stages of Covid-19 only 4 days after taking office, despite the lack of endorsement by medical and scientific institutions. CNN, "Amid pandemic, Brazil's health ministry still has an interim boss with no medical experience," 18 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chloroquine.' 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 chloroquine

1946, in the meaning defined above

History and Etymology for chloroquine

chlor- + quinoline

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Time Traveler for chloroquine

Time Traveler

The first known use of chloroquine was in 1946

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Statistics for chloroquine

Last Updated

29 Oct 2020

Cite this Entry

“Chloroquine.” Dictionary, Merriam-Webster, Accessed 30 Oct. 2020.

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chlo·​ro·​quine | \ ˈklōr-ə-ˌkwēn, ˈklȯr- How to pronounce chloroquine (audio) \

Medical Definition of chloroquine

: an antimalarial drug administered in the form of its diphosphate C18H26ClN3·2H3PO4 or hydrochloride C18H26ClN3·HCl

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