Just below the shoulder blade (scapula), a pigmented patch typical of notalgia paresthetica. A close-up of hyperpigmented patch of notalgia paresthetica. The brown, flat area underneath the right shoulder blade is caused by continual rubbing and scratching.
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Notalgia Paraesthetica  Information for adults

Picture of Notalgia Paraesthetica: Just below the shoulder blade (scapula), a pigmented patch typical of notalgia paresthetica. Divider line
Just below the shoulder blade (scapula), a pigmented patch typical of notalgia paresthetica.
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Who's At Risk
Notalgia paresthetica can affect people of any age, of any race, and of either sex. However, it is thought to be most common in middle-aged to older adults. Women seem to develop notalgia paresthetica more frequently than men.

Though researchers are not certain what causes notalgia paresthetica, some studies have demonstrated spine disease in the spinal bone (vertebra) at the level of the affected skin. Scientists speculate that spine disease due to age or injury may press on a nerve providing feeling to that area of the skin, which leads to itching.
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Last Modified: 22 Dec 2008
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