Efamat (Efavirenz) is a selective non-nucleoside inhibitor of HIV-1 reverse transcriptase. Antiviral activity is mediated mainly by noncompetitive inhibition of HIV-1 reverse transcriptase. Does not inhibit HIV-2 reverse transcriptase and human cellular DNA polymerases (alpha, beta, gamma and delta).
Efavirenz is used to treat HIV infection. Prevents the multiplication of the HIV virus in human cells. This stops the HIV virus from producing new viruses.