Etiologies and diagnosis of fever of unknown origin
| Infections: |
Tuberculosis especially extrapulmonary, abdominal abscess, pelvic abscess, dental abscesses, endocarditis, osteomyelitis, sinusitis, prostatitis, viral (cytomegalovirus, Epstein-Barr, HIV) ricketsial, fungal, malaria, typhoid and kala azar
|
| Malignancies: |
Lymphoma, chronic leukemia, metastatic cancer, renal cell carcinoma, colon cancer, hepatoma and sarcomas
|
| Autoimmune conditions: |
Adult still’s disease, polymyalgia rheumatica, temporal arteritis, SLE, RA, Reiter’s syndrome, vasculitides and inflammatory bowel disease
|
| Miscellaneous: |
Drug-induced fever, factitious fever sarcoidosis, granulomatous hepatitis, DVT and PTE
|
Algorithm for the diagnosis of fever of unknown origin:
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