Allergic Contact Dermatitis: Examination

A comprehensive clinical examination is the basis for selecting further diagnostic steps:

  • General physical examination – including blood pressure, pulse, body weight, height; further:
    • Inspection (viewing) of the skin
      • [Leading symptoms of acute allergic contact dermatitis:
        • Rapid appearance of a sharply defined erythema (extensive reddening of the skin) at the site of contact with the substance, possibly with signs of abrasion, itchy vesicles with crusting and desquamation]
      • [Leading symptoms of chronic allergic contact dermatitis:
        • Hyperkeratosis (excessive keratinization).
        • Lichenification (thickening / coarsening of the skin fielding).
        • Rhagades (fissures; narrow, cleft-shaped tear that cuts through all layers of the epidermis (epidermal layer)).
        • Skin lesions are rather blurred borders, the skin texture coarsens]
  • Dermatological examination [due topossible secondary diseases: Chronification of eczema, superinfection (here: overgrowth with bacteria, fungi, etc.)].
  • Health check

Square brackets [ ] indicate possible pathological (pathological) physical findings.