Erythema nodosum

external

• Causes

  • Cutaneous sarcoidosis
  • Primary tuberculosis
  • Lepromatous leprosy
  • Sulphonamide
  • Oral contraceptive pill
  • Post-streptococcal autoimmunity
  • Behcet disease
  • Lymphogranuloma venereum
  • Histoplasma capsulatum
  • Coccidioides immitis
  • Blastomycosis
  • Psittacosis
  • Yersinia pestis
  • Barbiturate
  • Penicillin
  • Loefgren syndrome
  • Bowel bypass syndrome
  • Inflammatory bowel disease

• Effects

  • Subcutaneous nodule

• Parents

  • Erythema
  • Panniculitis