What is Efavirenz

Efavirenz is a drug that treats HIV infection. It's also called DMP-266 or Sustiva. The drug belongs to a class called non-nucleoside RT inhibitors. Efavirenz blocks the reverse transcriptase enzyme, which is needed for the virus replication and spread within the body. Efavirenz works by inhibiting the enzyme reverse transcriptase, which is required for the virus to replicate and spread in the body.


Efavirenz can be used with other antiretroviral medications to treat HIV. It's usually prescribed with lamivudine or zidovudine, two nucleoside reverse transcriptionase (NRTI) inhibitors. The combination is called Highly Active Antiretroviral Therapy. Studies show that HAART reduces the level of HIV in blood while improving immunity. Efavirenz is also used to treat viral infections such as hepatitis B and tuberculosis.

Efavirenz: What are the Benefits?

Efavirenz has been shown to be effective at reducing HIV levels in blood. Efavirenz is believed to boost the immune system, and help prevent opportunistic infection. It can also reduce the chance of HIV transmission. Efavirenz has also been reported to be relatively well tolerated, with very few side effects. The drug has a very long half-life and can be taken once daily.

Efavirenz Side Effects

Efavirenz, while generally well tolerated and safe, can cause side effects such as Insomnia , headaches and nausea. These side effects tend to be mild, and disappear within a couple of days. Serious side effects include liver damage or suicidal thinking. If you experience any of these symptoms, it is vital to consult a doctor.

Experts' Opinions about Efavirenz

Experts concur that Efavirenz, when combined with other antiretroviral medications, is an effective HIV treatment. They caution, however, that Efavirenz should not be taken as a monotherapy. Close monitoring will ensure the virus doesn't become resistant. Experts also recommend that Efavirenz patients be informed of any possible side effects and report any symptoms they find concerning to their doctor.

Get Started with Efavirenz

The average patient starts with 600mg taken daily, once a day with food. If needed, the dose can be raised to 1,200mg daily. The patient should follow the directions of their doctor and use the medicine as prescribed. Efavirenz is not recommended during pregnancy because it may cause birth defects. Patients should also avoid drinking alcohol when taking Efavirenz, as this may cause side effects.


Efavirenz, an antiretroviral medication used for HIV treatment. HAART is a highly active antiretroviral therapy that combines Efavirenz with other antiretroviral medications. It has been shown to be effective at reducing HIV levels in blood, and boost the immune system. It is also well tolerated, with relatively few reported side effects. It is also important that pregnant women avoid taking Efavirenz as the drug can lead to birth defects. Patients should also be informed of any possible side effects. It is also important to monitor the patient closely to make sure that the virus doesn't become resistant to Efavirenz. Efavirenz, when properly used, is an effective and safe treatment for HIV. Follow the directions provided by your doctor and make sure to take the medicine as prescribed..