It seems that you are having severe type of acne.. ACNE CONGLOBETA and ACNE CYSTICA with secondary bacterial infection.
Acne occurs in oily facial skin, you might be having tendency for it.
There may be some precipitating factor.
It may be oily food, milk,ghee,stress,anxiety,sleeplessness
Take it easy... Have patience..q Avoid worries and anxiety.
Be positive for cure.
or Doxicycline may be taken for long time.
inlow dose will be helpful.
Apply antibiotic cream like clindamycine combined with retinoid
gel like adapelene gel.
Cleanse with antiseptic cleanser.
In cystic lesion intralesional steroid would be helpful.
I think ,you will be controlled. If needed, you consult dermatologist
I hope you got my answer.
Dr. Ilyas Patel MD