<unk>  is one of the three most common skin disorders in children, along with tinea and pyoderma. As of 2010, it affects about 100 million people (1.5% of the population) and its frequency is not related to gender. The mites are distributed around the world and equally infect all ages, races, and socioeconomic classes in different climates.<unk>  is more often seen in crowded areas with unhygienic living conditions. Globally as of 2009, an estimated 300 million cases of<unk>  occur each year, although various parties claim the figure is either over- or underestimated. About 1–10% of the global population is estimated to be infected with<unk> , but in certain populations, the infection rate may be as high as 50–80%.
Scabies
Pediculosis
Pulicosis
Dermatitis herpetiformis
Polymeal
Atopic dermatitis
Malaise
Seborrhoeic dermatitis