Urticaria Activity Score (UAS)Loading...WhealsNone0Mild (< 20 wheals/24 hrs)+1Moderate (20-50 wheals/24 hrs)+2Intense (> 50 wheals/24 hrs or large confluent areas of wheals)+3PruritusNone0Mild (present but not annoying or troublesome)+1Moderate (troublesome but does not interfere with normal daily activity or sleep)+2Intense (severe, interferes wit normal daily activity or sleep)+3