Fast Five Quiz: Chronic Spontaneous Urticaria

William D. James, MD

Disclosures

June 15, 2020

Figure 2. Hives following MMR vaccine

Transient pruritic hives are a key characteristic of CSU and the majority of other forms of urticaria.

Painful or burning hives are associated with urticaria vasculitis, presenting a diagnostic challenge when evaluating patients with chronic urticaria. Patients with urticaria vasculitis have wheals that persist for > 24 hours and are typically more painful than itchy. The resolving wheals in urticaria vasculitis result in pigment changes or scaling.

Although patients with CSU may have angioedema, a positive history of transient pruritic hives is the main characteristic of this condition.

Crusted and painful lesions that follow a dermatome are associated with herpes zoster, not CSU.

Learn more about the clinical presentation of CSU.

Comments

3090D553-9492-4563-8681-AD288FA52ACE
Comments on Medscape are moderated and should be professional in tone and on topic. You must declare any conflicts of interest related to your comments and responses. Please see our Commenting Guide for further information. We reserve the right to remove posts at our sole discretion.
Post as:

processing....