Secam-P Tablet 3's is used to treat heavy, painful, or irregular periods, premenstrual syndrome (PMS), and endometriosis. Additionally, it may be used in the treatment of breast cancer. It contains Norethisterone which works by restoring the hormone levels in the body. In some cases, this medicine may cause side effects such as unusual vaginal bleeding or spotting, dizziness, dry mouth, constipation, nausea, and diarrhoea. Let the doctor know if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions.