Generic Sustiva, Efavirenz

Efavirenz is a non-nucleoside reverse-transcriptase inhibitor that is prescribed with other antiretroviral drugs to treat HIV-1 infection.

Efavir, Sustiva, Stocrin


Efavir, Efferven, Efcure


Cipla, Genx, Sun Pharma, Emcure Pharma

Tablet, Capsule

200 mg, 600 mg



Efavirenz is an antiretroviral medicine; Efavirenz It is used in the treatment of human immunodeficiency virus (HIV) infection. Efavirenz slows the progress of HIV infections, however it is not a cure, it just controls the HIV virus and prevents it from spreading
How it Works
Efavirenz treats HIV infections by inhibiting viral reverse transcriptase and DNA polymerases. The HIV virus needs An enzyme called RT (reverse transcriptase) to replicate its DNA in order to spread and infect more cells. Efavirenz works by blocking the reverse transcriptase, this then helps to terminate the DNA chain and prevent the virus from multiplying. Efavirenz slows down the HIV Infection progress in the body but it is not a cure.
Common Side effects
Patients who take Efavirenz may suffer from such side effects; Nausea, Fatigue, Vertigo, Lipodystrophy, Concentration difficulties, Rash, Headache, Decrease in granulocyte count, Insomnia (difficulty in sleeping), Sleepiness, Vomiting, Allergic reaction, Abnormal dreams, Increased liver enzymes, Anxiety, Fever, Itching, Difficulty in paying attention, Increased triglyceride level in blood