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Dermatology Allergy Strong — EAACI 2022 / NICE TA339

Urticaria Activity Score (UAS7)

7-day urticaria activity score assessing wheals and pruritus, used to guide antihistamine dosing and omalizumab eligibility in chronic spontaneous urticaria (CSU).

0 = none; 1 = < 20 wheals; 2 = 20–50 wheals; 3 = > 50 wheals or large confluent areas

0 = none; 1 = mild; 2 = moderate; 3 = severe

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.