Answer
It is not expected to reduce hormonal contraceptive effectiveness. However, hormonal contraceptives may contribute to rash in some patients.
Sources for this answer
- Kaftrio 75 mg/50 mg/100 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.