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Dermatographism
Aka: Dermatographism, Dermatographia
- See Also
- Urticaria
- Causes
- Pruritic Conditions
- Third trimester of pregnancy
- Following Scabies treatment
- Pathophysiology
- Abnormal autonomic reflex response to allergen
- Technique
- Stroke skin of back with blunt object (Tongue blade)
- Interpretation
- Normal response: White line
- Faint pale line along stimulation path
- Abnormal response: Red line
- Mild: Bright red line with red mottling extension
- Exaggerated: Wheal with raised, edematous, pale skin