It's a condition called hidradenitis suppurativa , it occurs near hair follicles where there are sweat glands, usually around the groin, bottom, breasts and armpits.It is not boil ,it gets frequently infected resulting in painful swelling and discharge
Next Steps
Antibiotics alone are not effective.
you have to consult with the dermatologist to plan for it's treatment depending on it's stage
treatment includes with medicine ,harmonal ,with laser and lastly surgery