This medication is a combination of 2 hormones: an estrogen (ethinyl estradiol) and a progestin (drospirenone). This product is used to prevent pregnancy.This medication also may be used to treat premenstrual dysphoric disorder (PMDD) or moderate acne if you have chosen to use birth control pills as your method of pregnancy prevention.Besides preventing pregnancy, birth control pills may make your periods more regular, decrease blood loss and painful periods, and decrease your risk of ovarian cysts.Using this medication does not protect you or your partner against sexually transmitted diseases (such as HIV, gonorrhea, chlamydia).