Fever of unknown origin (peds)

Diagnosis

Febrile >14dys (without clear source)

DDx

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

See Also

• Pediatric Fever

Source

• Rosen