Fever of unknown origin (peds)
Diagnosis
Febrile >14dys (without clear source)
DDx
I. INFECTION
1. Bacterial
a. Adenitis
b. Endocarditis
c. Mastoiditis
d. Occult abcess
e. Pyelonephritis
f. Sinusitis
g. Tb
2. Viral
a. CMV
b. Hep A,B, C
c. Mono
3. Chlamydial
a. Lymphogranuloma venereum
b. Psittacosis
4. Mycoplasmal
5. Fungal
a. Blastomycosis
b. Cysticercosis
c. Histoplasmosis
6. Rickettsial
a. Q fever
b. Rocky Mt
7. Parasitic
a. Malaria
b. Toxo
II. COLLAGEN VASCULAR
a. JRA
b. LSE
c. Regional enteritis
d. Rheumatic fever
e. Ulcerative colitis
f. Vasculitis
III. MALIGNANCY
a. Leukemia
b. Lymphoma
c. Neuroblastoma
d. Wilm's tumor
IV. DRUG INDUCED
a. Abx
b. Anticonvulsants
c. Anti TB
d. Procainamide
e. Quinidine
f. Serum sickness
V. MISC
a. AIDS
b. CNS
c. Environmental
d. Factitious
e. Familial dysautonomia
f. Kawasaki
g. PE
h. Serial infections
i. Thyrotoxicosis
Source
4/13/06 DONALDSON (adapted from Rosen)
