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Review
. 2023 Sep 28:4:1274031.
doi: 10.3389/falgy.2023.1274031. eCollection 2023.

Urticaria and mimickers of urticaria

Jie Shen Fok  1   2   3 , Constance H Katelaris  4   5
Affiliations
Review

Urticaria and mimickers of urticaria

Jie Shen Fok et al. Front Allergy. .

Abstract

Urticaria is a common skin condition encountered across various specialties in medicine, especially in dermatology and allergy/immunology practice. It has a heterogeneous presentation hence it is unsurprising that many skin conditions may be confused with urticaria. Urticaria may present as acute or chronic urticaria, the latter can be further categorised into chronic spontaneous and chronic inducible. In this article, we explore, explain, and summarise various skin lesions that are considered mimickers of urticaria, to promote understanding of each of the conditions highlighted, improve recognition, and reduce misdiagnosis.

Keywords: bullous pemphigoid; cutaneous mastocytosis; erythema marginatum; erythema multiforme; mimickers of urticaria; urticaria; urticaria vasculitis; urticarial dermatitis.

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Conflict of interest statement

CK has received honoraria for presentations and fees for advisory board participation from Sanofi, CSL Behring, Takeda, GSK, Novartis, Abvvie, AstraZeneca, KalVista. She has received recent institutional funding for clinical trials from Sanofi, CSL Behring, Takeda. JF has received honoraria for presentations and fees for advisory board participation from CSL Behring, Takeda, Novartis, Menarini, Viatris.

Figures

Figure 1
Figure 1
An urticarial wheal.
Figure 2
Figure 2
Erythema multiforme in a subject with herpes simplex virus infection.
See this image and copyright information in PMC

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