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efavirenz (Sustiva)

Sustiva EU

Generic name: efavirenz. Efavirenz is available as a generic medicine, so its appearance will depend on which type your clinic buys.

Brand names: Sustiva and Stocrin (the image on this page is of the version of efavirenz which has the brand name Sustiva).

Class: Individual NNRTIs (non-nukes)


Common: rash, dizziness, sleep disturbance, abnormal dreams, difficulty concentrating, nausea, vomiting, itching, headache, tiredness, diarrhoea, anxiety, depression.

Rare: hallucinations, suicidal thoughts, mood changes, allergic reaction, severe rash, liver problems.


600mg tablet and 200mg capsule.

Take 600mg once a day.


Take on an empty stomach, preferably at bedtime.

*Last reviewed on 25/09/2015 Next review: 25/09/2018

Any questions? Email feedback@tht.org.uk Information included on this website was correct at the time of publication.

Data and image supplied by NAM.

Further information on this drug from NAM