Expert answer:
M-drol is a hormone and the vagina is an organ sensitive to the action of hormones, so it may be the cause of its discharge; or there is the possibility of being a vaginal infection that coincided with the period you started taking this substance. Ideally you go to the doctor, preferably a gynecologist, for the correct diagnosis and treatment, you must also see with the doctor who prescribed this hormone what to do if it is anabolic effect itself.