Cocaine inhalation or snorting may induce lone DAH. Cocaine-induced ANCA-(antineutrophil elastase)-related vasculitis includes skin bullae and necrosis. A few patients present with deep-seated involvement including DAH. The condition is thought to be related to levamisole, a commonly used adulterant in cocaine  samples. Cases on the rise since the 2010s

Last update : 13/10/2012