Answer
Yes. It can cause anxiety, depression, unusual dreams or insomnia and has rarely been linked to psychosis and suicidal behaviour. Severe changes require urgent help.
Sources for this answer
- Efavirenz 600 mg film-coated tablets — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.