Herbs are against carbunculus.

A reason of carbuncles is weak immunity, diabetes, AIDS, syphilis, exhaustion, hypoavitaminosis.
Do not rub his, squeeze, press,and self cure.
If herbalist will allow Apply compress of plantain, chelidonius, nettle, bark oak, aspen leaf extracts  till 20 minutes , or fresh aloe leaf, plantain s juice, juice chelidonius.
Acetilsalicilum spirit will rub damage skin or calendula.
Dried chaga powder of in warm water till porridge mixing, or of dried maitake mushroom, and grease carbuncles future.