Since the beginning of the 20th century, many inflammatory skin disorders have become more common;<unk>  is a classic example of such a disease. It now affects 15–30% of children and 2–10% of<unk> ults in developed countries, and in the United States has nearly tripled in the past 30–40 years. Over 15 million American<unk> ults and children have<unk> .
Atopic dermatitis
Scabies
Orofacial granulomatosis
Seborrhoeic dermatitis
Noxzema
Rodent mite dermatitis
Essential dermatitis
Phototoxic tar dermatitis