iver·​mec·​tin | \ ˌī-vər-ˈmek-tən How to pronounce ivermectin (audio) \

Definition of ivermectin

: a drug mixture of two structurally similar semisynthetic lactones that is used in veterinary medicine as an anthelmintic, acaricide, and insecticide and in human medicine to treat onchocerciasis

Examples of ivermectin in a Sentence

Recent Examples on the Web The South African Health Products Regulatory Authority this week announced the drug ivermectin could be used in exceptional circumstances. Mogomotsi Magome And Andrew Meldrum, Star Tribune, "South Africa OKs limited use of parasite drug for COVID-19," 29 Jan. 2021 The other study was published online in the Social Science Research Network e-library and found that the drug ivermectin reduced mortality in severely ill COVID-19 patients. David Hogberg, Washington Examiner, "Influential hydroxychloroquine study used suspect data from company run by pornographic model and sci-fi author," 3 June 2020 Unimed Belem is giving out a kit containing the drug, plus the antibiotics azithromycin and ivermectin, in the Amazonian state of Para. Simone Preissler Iglesias, Bloomberg.com, "Bolsonaro Touts Chloroquine for All as Brazil’s Virus Toll Surges," 20 May 2020 Hope has been put in drugs that attempt to slow the replication of the virus—those currently in clinical trials like remdesivir, ivermectin, and hydroxychloroquine. James Hamblin, The Atlantic, "Why Some People Get Sicker Than Others," 21 Apr. 2020 State and federal government agencies issued warnings this week not to take ivermectin — a pill to treat parasites — as a coronavirus cure or prevention for pets or people. Frank Witsil, Detroit Free Press, "Michigan warns residents: Don't take pet's heartworm medicine to treat coronavirus," 16 Apr. 2020 The common treatment is a medicine called ivermectin. Joan Morris, The Mercury News, "Do Bay Area squirrels with mange need help?," 18 Sep. 2019 But when a person harboring tens of thousands of Loa loa worms in each drop of blood takes ivermectin, all the baby worms die off in a sort of mass extinction, causing potentially lethal brain swelling. Brian Rinker, CNN, "New tech revolutionizes fight against ancient diseases in Africa, Asia," 17 Apr. 2018 Earlier studies showed that ivermectin, developed in the 1980s to fight parasites that cause river blindness and elephantitis, turns the blood of patients deadly to mosquitoes a short time after treatment, reported National Public Radio. Don Sweeney, sacbee, "A pill could make your blood poisonous to mosquitoes, research shows | The Sacramento Bee," 29 Mar. 2018

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

1981, in the meaning defined above

History and Etymology for ivermectin

perhaps from di- + New Latin avermitilis (specific epithet of Streptomyces avermitilis, bacterium from which it is derived) + English -ect- (of unknown origin) + -in entry 1

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The first known use of ivermectin was in 1981

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Cite this Entry

“Ivermectin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ivermectin. Accessed 13 Apr. 2021.

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iver·​mec·​tin | \ ˌī-vər-ˈmek-tən How to pronounce ivermectin (audio) \

Medical Definition of ivermectin

: a drug mixture of two structurally similar semisynthetic macrocyclic lactones that is a derivative of avermectin used in veterinary medicine as an anthelmintic, acaricide, and insecticide and in human medicine to treat onchocerciasis

More from Merriam-Webster on ivermectin

Britannica.com: Encyclopedia article about ivermectin

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