Answer
The fixed combination cannot be adjusted component by component. Separate preparations may be needed for renal impairment, adverse effects, interactions or a required change to one active ingredient.
Sources for this answer
- Efavirenz/emtricitabine/tenofovir disoproxil Milpharm 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.