ri·​ba·​vi·​rin ˌrī-bə-ˈvī-rən How to pronounce ribavirin (audio)
: a synthetic broad-spectrum antiviral nucleoside C8H12N4O5

Examples of ribavirin in a Sentence

Recent Examples on the Web He was prescribed a drug cocktail, a combination of interferon and ribavirin, that proved ineffective and gave him severe side effects. Abdullahi Tsanni, STAT, 29 June 2023 Interferon 1-b has generally been used to treat multiple sclerosis in the past, while lopinavir-ritonavir and ribavirin have been used to treat HIV and hepatitis C, respectively. Fox News, 11 May 2020 Previous research has found that a combination of lopinavir-ritonavir and ribavirin significantly reduced respiratory failure and death in patients with another coronavirus, the SARS virus. Roni Caryn Rabin, New York Times, 8 May 2020 Other were randomly assigned to get the lopinavir-ritonavir combination plus the antiviral drug ribavirin and injections of beta interferon. Maggie Fox, CNN, 8 May 2020 Orders for antibiotics like azithromycin and antiviral medicines like ribavirin nearly tripled. Knvul Sheikh, New York Times, 2 Apr. 2020 Domingo and Vignuzzi pointed out that the popular antiviral medication ribavirin pushes viruses to develop a swarm that is so big and so full of mutations that the resulting viral potluck is missing vital components. Quanta Magazine, 25 Aug. 2015 Nor is everyone convinced that ribavirin works in Lassa fever, as the only data come from the 1980s, Augier says. Leslie Roberts, Science | AAAS, 12 Mar. 2018 For now, the only treatment is a nonspecific antiviral drug, ribavirin. Leslie Roberts, Science | AAAS, 12 Mar. 2018

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

Word History


perhaps from ribonucleic acid + virus + -in entry 1

First Known Use

1974, in the meaning defined above

Time Traveler
The first known use of ribavirin was in 1974

Dictionary Entries Near ribavirin

Cite this Entry

“Ribavirin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ribavirin. Accessed 16 Apr. 2024.

Medical Definition


ri·​ba·​vi·​rin ˌrī-bə-ˈvī-rən How to pronounce ribavirin (audio)
: a synthetic broad-spectrum antiviral drug C8H12N4O5 that is a nucleoside resembling guanosine

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