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Definition
By Mayo Clinic staffA patch of skin itches, so you scratch it. But scratching can make the area itchier, so you keep scratching. Eventually you may scratch simply out of habit. This cycle of chronic itching and scratching is a symptom of neurodermatitis, a stubborn skin condition that can cause the affected skin to become thick and leathery.
Neurodermatitis — also known as lichen simplex chronicus or scratch dermatitis — isn't serious, but breaking the itch-scratch cycle is challenging. Successful treatment of neurodermatitis depends on identifying and eliminating factors that may be aggravating the problem. Over-the-counter and prescription creams can help. Once the scratching stops, it can take months for the skin to return to normal.
