There was a disorder Birnie had heard of but never seen called Urticaria multiforme (U.M.). It’s a type of allergic reaction, she remembered, seen in kids usually after a viral infection ...

She does not take any medications and is otherwise healthy. Urticaria multiforme, also known as acute annular urticaria, is common among children. Toddlers and young children are more frequently ...

Conditions like vasculitic urticaria, erythema multiforme, and urticaria pigmentosa mimic urticaria but differ in etiology and treatment. Accurate diagnosis requires distinguishing urticaria from ...

This is urticaria (C), but was initially thought to be Erythema Multiforme, mainly because of the annular nature of some of the lesions with their dark centers, or the giant “multiforme ...

How should she be evaluated and treated? The case vignette describes a typical patient with chronic urticaria (Figure 1) and angioedema. The disorder is diagnosed when hives occur on a regular ...