Diagnostic Tests for Eczema

Diagnostic Test list for Eczema:

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

• Bacterial culture - if suspect secondarily infected areas (look for pus-filled lesions, crusting and weepiness).
• Viral culture - if suspect Herpes Simplex virus infected areas.
• Blood tests
  • Radioallergosorbent testing (RAST) - to test for specific allergens that may be triggering eczema ( 90% relevant if negative, but only 20% relevant if positive).
  • Ig E levels are increased
• Patch testing - for allergic contact dermatitis.
• Skin biopsy, may occasionally be warranted (but diagnosis is usually on history and physical findings)
• Physical exam
• Skin scratch/prick tests - need careful interpretation.
• Blood tests for airborne allergens - often not very useful for diagnosis.
• Eosinophil levels
• IgE levels
• Food diary - to watch for food allergies.

Home Diagnostic Testing

These home medical tests may be relevant to Eczema causes:

• Allergies -- Related Home Tests
  • Home Allergy Testing
  • Home Mold Tests
  • Home Food Intolerance Tests
  • Home Radon Tests
  • Home Water Tests
  • Home Lung Function Testing
• Food Allergies & Intolerances: Home Testing:
  • Home Food Allergy Tests
  • Home Food Intolerance Testing
  • Home Water Testing
  • Home Lead Poisoning Tests
  • Home Heavy Metal Poisoning Tests

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