Skin diseases and allergic reactions 

Is a contagious primary infection of the skin involving the stratum corneum of epidermis. It is particularly common in children and people in disadvantaged areas. Self-inoculation and small family or community outbreaks are frequent.

Folliculitis is an infection of the hair follicles commonly due to Staphylococcus aureus

Abscess is a collection of pus caused by Staphylococcus aureus.

Erysipelas is an acute superficial dermal infection commonly caused by Streptococci.