Lichen Simplex Chronicus - a SKIN condition, sometimes called neurodermatitis, in which an itchy RASH erupts in response to continued scratching of the skin. Over time, the involved areas develop hyperkeratosis,
Lichen Simplex Chronicus - a SKIN condition, sometimes called neurodermatitis, in which an itchy RASH erupts in response to continued scratching of the skin. Over time, the involved areas develop hyperkeratosis, an overgrowth of keratinocytes that gives the areas a scaly, lichen like appearance (plaques). Lichen simplex chronicus sometimes develops in areas of the skin that have previously had irritation, such as from DERMATITIS or abrasive injury, or frequently irritated, such as from clothing that rubs or constricts. Stress and strong emotional responses exacerbate the rash and the itching. The condition appears more common in people who have DEPRESSION or anxiety, hence the former term, neurodermatitis, for the condition. Most often, however, there is no clear cause for the condition.
The rash of lichen simplex chronicus begins with small reddened areas (macules) that itch, commonly forming on the neck and the inner surfaces of the arms and legs. Most people who have lichen simplex chronicus describe the i