Table 3 The Urticaria Activity Score (UAS7) for assessing disease activity in chronic spontaneous urticaria
From: Insights and advances in chronic urticaria: a Canadian perspective
Score | Wheals | Pruritus |
|---|---|---|
0 | None | None |
1 | Mild (<20 wheals/24 h) | Mild (present but not annoying or troublesome) |
2 | Moderate (20–50 wheals/24 h) | Moderate (troublesome but does not interfere with normal daily activity or sleep) |
3 | Intense (>50 wheals/24 h or large confluent areas of wheals) | Intense (severe pruritus, which is sufficiently troublesome to interfere with normal daily activity or sleep) |