Fever of unknown origin (peds)

Clinical Features

• Febrile >14dys (without clear source)

Differential Diagnosis

• INFECTION
  • Bacterial
    • Adenitis
    • Endocarditis
    • Mastoiditis
    • Occult abscess
    • Pyelonephritis
    • Sinusitis
    • Tb
  • Viral
    • CMV
    • Hep A,B, C
    • Mono
  • Chlamydial
    • Lymphogranuloma venereum
    • Psittacosis
  • Mycoplasmal
  • Fungal
    • Blastomycosis
    • Cysticercosis
    • Histoplasmosis
    • Rickettsial
      • Q fever
      • Rocky Mt
    • Parasitic
      • Malaria
      • Toxo
• COLLAGEN VASCULAR
  • JRA
  • LSE
  • Regional enteritis
  • Rheumatic fever
  • Ulcerative colitis
  • Vasculitis
• MALIGNANCY
  • Leukemia
  • Lymphoma
  • Neuroblastoma
  • Wilm's tumor
• DRUG INDUCED
  • Antibiotics
  • Anticonvulsants
  • Anti TB
  • Procainamide
  • Quinidine
  • Serum sickness
• MISC
  • AIDS
  • CNS
  • Environmental
  • Factitious
  • Familial dysautonomia
  • Kawasaki
  • PE
  • Serial infections
  • Thyrotoxicosis

Diagnosis

• Clinical (preliminary) diagnosis

Disposition

• Frequently admitted for workup

See Also

• Pediatric Fever