| Generalized infections |
Most common causes: - Cat scratch disease
- Malaria
- Salmonella
- Tuberculosis
- Viral infection (CMV, EBV, adenovirus)
|
Less common causes: - Brucellosis
- Leptospirosis
- Toxoplasmosis
- Tularemia
|
Rare causes: - Arbovirus
- Enterovirus
- Fungal infections (nonpulmonary blastomycosis, disseminated histoplasmosis)
- Hepatitis viruses
- HIV
- Lymphogranuloma venereum
- Psittacosis
- Q fever
- Rocky Mountain spotted fever
- Visceral larva migrans
|
| Localized infections |
- Infective endocarditis
- Intra-abdominal abscess (hepatic, perinephric, pelvic, subdiaphragmatic)
- Liver infection (eg, bacterial cholangitis, granulomatous hepatitis)
- Osteomyelitis and septic arthritis (less frequently)
- Upper respiratory infection: Chronic or recurrent otitis media, chronic or recurrent pharyngitis, mastoiditis, peritonsillar abscess, sinusitis
- Urinary tract infection
|
| Rheumatologic diseases |
- Juvenile idiopathic arthritis
- Systemic lupus erythematosus
- Vasculitis (eg, polyarteritis nodosa, Henoch-Schönlein purpura)
|
| Malignancies |
| Most common causes: |
Less common causes: - Atrial myxoma
- Hepatoma
- Neuroblastoma
- Sarcoma
|
| Miscellaneous |
- Central nervous system dysfunction
- Diabetes insipidus (central or nephrogenic)
- Drug fever
- Ectodermal dysplasia
- Factitious fever
- Familial dysautonomia
- Granulomatous colitis
- Hemophagocytic lymphohistiocytosis
- Immunodeficiency
- Infantile cortical hyperostosis
- Inflammatory bowel disease
- Kawasaki disease
- Kikuchi disease
- Multisystem inflammatory syndrome in children
- Pancreatitis
- Periodic fever (eg, Mediterranean fever, PFAPA syndrome)
- Sarcoidosis
- Serum sickness
- Thyrotoxicosis
|
