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Lichen simplex chronicus



Lichen simplex chronicus
Classification & external resources
ICD-10 L28.0
ICD-9 698.3
DiseasesDB 31441
MedlinePlus 000872
eMedicine derm/236 

Lichen simplex chronicus (LSC) is a skin disorder characterized by chronic itching and scratching. The constant scratching causes thick, leathery, brownish skin.

Additional recommended knowledge

Causes

This is a skin disorder characterized by a self-perpetuating scratch-itch cycle:

  • It may begin with something that rubs, irritates, or scratches the skin, such as clothing.
  • This causes the person to rub or scratch the affected area. Constant scratching causes the skin to thicken.
  • The thickened skin itches, causing more scratching, causing more thickening.

The skin may become leathery and brownish in the affected area. This disorder may be associated with atopic dermatitis (eczema) or psoriasis. It may also be associated with nervousness, anxiety, depression, and other psychological disorders.

It is common in children, who chronically scratch insect bites and other areas. It can also be common in mentally retarded children who have chronic repetitive movements.

Treatment

Treatment is aimed at reducing itching and minimizing existing lesions because rubbing and scratching cause LSC. The itching and inflammation may be treated with a lotion or steroid cream applied to the affected area of the skin.

See also

  • Pruritus


 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Lichen_simplex_chronicus". A list of authors is available in Wikipedia.
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