Urticaria Activity Score (UAS)
Stratifies severity of urticaria.
INSTRUCTIONS
UAS is presented below. UAS7, also used clinically, is the sum of UAS scores over 7 consecutive days.
When to Use
None
0Mild (<20 wheals/24 hrs)
+1Moderate (20-50 wheals/24 hrs)
+2Intense (>50 wheals/24 hrs or large confluent areas of wheals)
+3None
0Mild (present but not annoying or troublesome)
+1Moderate (troublesome but does not interfere with normal daily activity or sleep)
+2 Intense (severe, interferes with normal daily activity or sleep)
+3Result:
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