Answer
Rifampicin can make systemic hormonal contraception less effective. Ask about an appropriate non-hormonal option.
Sources for this answer
- Rimstar Film-coated Tablet / Voractiv Film-coated Tablet — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.