• Drugs (Most common, 4-28 days after initiation) 1
    • Allopurinol
    • Anticonvulsants
    • Cotrimoxazole
    • ‘Sulfa’ drugs
    • Oxicam NSAIDs
    • Nevirapine
  • Infections 1:
    • HIV
    • CMV
    • Mycoplasma
  • Malignancy 1
  • Bone marrow transplant 1
  • Genetic predisposition