Epidermolytic ichthyosis is a rare genetic skin disorder that becomes visible shortly after birth. The person with this disorder usually experiences reddening, scaling, and severe blistering of the skin. Hyperkeratosis or thickening of the skin develops within months and worsens over time. 

Erysipelas is a skin condition similar to cellulitis, but affects only the upper layer of the skin. It was thought before that it only appears on the face but later on, doctors claim that it also appears on the arm, leg, and torso.

Repetitive and compulsive skin picking is a serious condition called excoriation. Frequent and intense picking of the skin may cause bleeding, scars, and sores. Some people say that it makes them feel relaxed while others do it unintentionally. Children and adults who have obsessive-compulsive disorder are more likely to develop