- Levimasole induced vasculitis→ used to cut cocaine
- Warfarin induced necrosis (at time when initiated)
- Other drugs that might cause intense vasospasm
- Vasculitis: acute, painful distal extremities, in particular→ fingers, ears, nose
- Decreased cap refill distally w/vasculitis
- Swelling, pain, eschar, ulcer
- Distal necrosis for vasculitis