The plasma levels of this drug can determine the failure of treatment and CNS (central nervous system) side-effects in patients infected with HIV (human immunodeficiency virus).
Efavirenz is a nonnucleoside reverse transcriptase inhibitor (NNRTI). Efavirenz is an anti-HIV drug, commonly used in combination therapy for AIDs treatment. Efavirenz is part of highly active antiretroviral therapy (HAART) for the treatment of a human immunodeficiency virus (HIV) type 1.