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Magnan's sign

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Magnan's sign
Differential diagnosisParaesthesia (due to cocaine addiction)

Magnan's sign is a clinical sign in which people with cocaine addiction experience paraesthesia which feels like a constantly moving foreign body, such as fine sand or powder, under the skin.[1]

The sign is named after Valentin Magnan.

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References

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  1. ^ Magnan's sign Archived 2016-03-03 at the Wayback Machine at Mondofacto online medical dictionary