Urticaria may be acute or chronic. As opposed to acute urticaria, chronic urticaria is defined by recurrent episodes occurring at least twice a week for 6 weeks (Grattan, Sabroe, & Greaves ...

There are many different types of hives -- urticaria -- with many different causes. In most cases, these puffy, red, or skin-colored bumps and wheals appear suddenly due to an allergic reaction to ...

Patients with chronic spontaneous urticaria experienced substantial reductions in hives and itch with briquilimab through 16 ...

The diagnosis of urticaria usually does not pose a challenge to most clinicians; it is primarily clinical. Investigations should be based on the clinical presentation. A thorough history and ...