Efavirenz

Category: pharmacological

Aliases: Sustiva

Pharmacological Mechanism

NNRTI — non-competitive HIV-1 reverse transcriptase inhibitor. Strong CYP3A4 inducer + CYP2B6 substrate (poor metabolizers have very high AUC + CNS toxicity). Vivid dreams, depression, suicidality signal at therapeutic doses — modern regimens have largely moved past efavirenz.

Half-Life (t½)

PO: 42h

Dosing Guidelines

Target Organ Systems