Table 1. Urticaria Activity Score(UAS)

Score Prurititus Wheals
0 None None
1 Mild(present but not annoying or troublesome) Mild(< 20 wheals/24h)
2 Moderate(troublesome but does not interfere with normal daily activity or sleep) Moderate(20-50 wheals/24h)
3 Intense(severe pruritus, which is sufficiently troublesome to interfere with normal daily activity or sleep) Intense(> 50 wheals/24h or large confluent areas of wheals)