DDx ⬇
Vasculitis
- Polyarteritis nodosa
- Rheumatoid arthritis
- Wegener’s granulomatosis
- Churg-Strauss syndrome
- Henoch-Schönlein purpura
- Systemic lupus erythematosus (SLE)
- Hypersensitivity (leukocytoclastic) vasculitis
Infection or emboli
- Meningococcemia
- Gonococcemia
- Endocarditis
- Rocky Mountain spotted fever
- Aspergillus
- Candidiasis
- Ecthyma gangrenosum (neutropenic, pseudomonal)
Other
- Sarcoidosis
- Cryoglobulinemia
- Ulcerative colitis
- Crohn’s disease
- Medications
Related DDx ⬆