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Symptoms » FUO » Diagnostic Tests

Diagnostic Tests for FUO

Diagnostic Test list for FUO:

The list of diagnostic tests mentioned in various sources as used in the diagnosis of FUO includes:

  • Physical examination
    • Temperature - Fevers can be due to infection, malignant disease; metabolic disorders e.g. gout; blood disorders e.g. hemolytic anemia; vascular disorders e.g. stroke, brain hemorrhage; immunological disorders e.g. lupus.
    • Examine the heart for a heart murmur which would suggest bacterial endocarditis
    • Examine the lungs for noises that suggest pneumonia or bronchiectasis
    • Examine the abdomen for enlarged liver - enlarged liver without jaundice may suggest amoebic abscess.
    • Examine the nervous system for abnormalities - may suggest brain abscess, sinus thrombosis, encephalitis or epidural abscess.
    • Examine the musculoskeletal system for bony tenderness or swelling - may suggest osteomyelitis.
    • If nil signs of infection, should consider septicemia, malaria, acute hemolytic anemia, relapsing fever, abscess under the diaphragm and dental abscess
  • Blood tests
    • Full blood count and ESR
    • Electrolytes and kidney function tests
    • Liver function tests
    • Serial blood cultures
    • ASO titre to exclude Rheumatic fever
    • ANA antibodies and double stranded DNA antibodies to look for lupus erythematosus
    • Syphilis screen
    • HIV antibody test may need to be ordered
    • Acute and convalescent phase serology tests for various viruses
    • Brucellosis serology, if suspected
  • Tuberculin skin testing
  • Urinalysis
  • Urine microscopy and culture
  • Nose and throat culture
  • Sputum microscopy and culture
  • Stool microscopy and culture
  • Swab any body discharge for microscopy and culture
  • Radiological investigations
    • Chest X-Ray
    • Sinus X-Ray
    • Plain X-Ray of suspected areas e.g. X-Ray of teeth may show abscessed tooth, X-Ray of long bone may show a metastatic cancer
    • Intravenous pyelogram may show cancer of kidney
    • Cholecystogram may show gallstones
    • Barium enema may show diverticulitis
    • Angiography may show polyarteritis nodosa, aortitis or giant cell arteritis
    • CT scan of abdomen and pelvis
    • CT scan of chest
    • Echocardiogram may show bacterial endocarditis
    • Bone scan and gallium scans looking for possible metastasis, osteomyelitis or localized abscesses
  • Lymph node biopsy may diagnose lymphoma or sarcoidosis
  • Muscle biopsy may diagnose polyarteritis nodosa, polymyositis or trichinella

Home Diagnostic Testing

These home medical tests may be relevant to FUO causes:

Conditions listing medical symptoms: FUO:

The following list of conditions have 'FUO' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

Select from the following alphabetical view of conditions which include a symptom of FUO or choose View All.

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