Levamisole adulterated cocaine and pulmonary vasculitis: Presentation of two lethal cases and brief literature review

- Two fatal cases of pulmonary vasculitis in abusers of levamisole-adulterated cocaine.
- Lungs showed microscopically lymphocytic infiltration of the walls of small vessels.
- Levamisole was quantified in blood, urine and hair samples by GC-MS.
- When levamisole is detected, the lungs should be closely examined.
- Levamisole and adulterants may represent an additional health threat.