Eczema

Similar term(s): Contact dermatitis.

Eczema or contact dermatitis is a skin disorder characterized by itching, scaling, thickening of the skin, usually located on the face, elbows, knees, and arms. The exact causes are still unknown, but an abnormal function of the immune system is believed to be a factor. There are several types of eczema, which can be triggered by various chemicals, environmental agents or psychological factors. Treatment is to keep the skin well hydrated.

Source: GreenFacts

Photo-allergic eczema is an uncommon delayed eczema reaction in some susceptible individuals when exposed to low doses of ultraviolet radiation.

Source: SCENIHR  Opinion on Light Sensitivity (2008)

Immune system - Ultraviolet radiation