These include oral contraceptives which contain estrogen and progesterone and suppress ovulation, Metformin, antiandrogens which cause androgen blockage( eg spironolactone,
flutamide, cyproterone acetate), oral corticosteroids and Finasteride.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your dermatologist. I sincerely hope that helps.