Table 2.

Urticaria Activity Score 7 (UAS7): a validated tool with which to follow disease activity in clinical practice

Score	Wheals	Pruritus
0	None	None
1	Mild (<20 wheals/24 hours)	Mild (present but not annoying or troublesome)
2	Moderate (20–50 wheals/24 hours)	Moderate (troublesome but does not interfere with normal daily activity or sleep)
3	Intense (>50 wheals/24 hours)	Intense (severe pruritus, which is sufficiently troublesome to interfere with normal daily activity or sleep)

Note: Sum of score: 0–6 for each day is summarized over 1 week (maximum 42).