Table 1.
Diagnostic criteria for AD
| American Academy of Dermatology [13] | Hanifin's and Rajka's criteria [14] |
|---|---|
| Essential features (must be present) | Major criteria (must have 3) |
| Pruritus | Pruritus |
| Eczema (acute, subacute, chronic) | Dermatitis affecting flexural surfaces in adults or face and extensor surfaces in infants |
| Typical morphology and age-specific patternsa | Chronic or relapsing dermatitis |
| Chronic or relapsing history | Personal or family history of cutaneous or respiratory allergy |
| Important features | Minor criteria (must have 3) |
| Early age of onset | Facial features (infraorbital darkening, etc.) |
| Atopy | Triggers (environmental factors, etc.) |
| Personal and/or family history | Complications (susceptibility to skin infections, etc.) |
| IgE reactivity | Other (early age of onset, dry skin, etc.) |
| Xerosis |
a
Patterns include: facial, neck, and extensor involvement in infants and children; current or prior flexural lesions in any age group, and sparing of groin and axillary regions.