Answer
Some antiseizure medicines can reduce contraceptive effectiveness. It can also lower lamotrigine concentrations, so both treatments should be reviewed together.
Sources for this answer
- Cimizt 150 microgram/30 microgram Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Mercilon — 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.