efavirenz
noun
ef·a·vi·renz
| \ ˌef-ə-ˈvī-ˌrenz
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Medical Definition of efavirenz
: a reverse transcriptase inhibitor C14H9ClF3NO2 that is administered orally with other antiretroviral agents in the treatment of HIV infection
Note: Efavirenz is marketed under the trademark Sustiva. It is also marketed under the trademark Atripla when used in combination with emtricitabine and tenofovir disoproxil fumarate.