Answer
Emtricitabine and tenofovir also act against hepatitis B, so withdrawal can trigger a severe hepatitis flare. Stopping requires specialist planning and follow-up.
Sources for this answer
- Efavirenz/Emtricitabine/Tenofovir Disoproxil Sandoz 600 mg/ 200 mg/ 245 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.