Magnan's sign

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]

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


The sign is named after Valentin Magnan. 


This article uses material from the Wikipedia article
 Metasyntactic variable, which is released under the 
Creative Commons
Attribution-ShareAlike 3.0 Unported License
.