Do not use if you are pregnant, have unexplained vaginal bleeding, active liver disease, a current blood clot (thrombosis), or certain hormone-sensitive cancers such as some breast cancers. Irregular bleeding or spotting is common, especially in the first months; periods may become lighter or stop. This is not harmful. Cerazette does not protect against HIV or other sexually transmitted infections. Use condoms for protection. Some medicines (e.g., certain epilepsy, TB and HIV treatments) reduce its effectiveness. Tell your provider everything you take. Safe during breastfeeding. Store below 30°C. This product information is for general guidance only and does not replace professional medical advice. Always consult a qualified healthcare provider before starting any new medication or supplement. Keep all medicines out of reach of children.