Medical Dictionary


noun ef·a·vi·renz \ˌef-ə-ˈvī-ˌrenz\

Medical Definition of efavirenz

  1. :  a reverse transcriptase inhibitor C14H9ClF3NO2 that is administered orally with other antiretroviral agents in the treatment of HIV infection 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.

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