The acnes are a result of some unknown reason or mixture of factors, in which hair follicles, also recognized as pores, turn out to be blocked. Nodular acne is an inflammatory skin condition which is considered to be a severe form of acne vulgaris. The pus released by the acne lesion in the dermis hardens and end up to this condition. These can be swollen, red and affecting the deeper layers of the skin. They are extremely painful and if can intensify if left unnoticed. The most extreme type of this kind of acne might continue for weeks and even months, ultimately solidifying into a cyst.