Urticarial Reactions

The inflammasome, an innate immunity guardian, participates in skin urticarial reactions and contact hypersensitivity.

Urticarial rash, one of the clinical manifestations characteristic of cryopyrin-associated periodic syndrome (CAPS), is caused by a mutation in the gene encoding for NLRP3 (nucleotide-binding oligomerization domain, leucine-rich repeats containing family, pyrin domain containing 3). This intracellular pattern recognition receptor and its adaptor protein, called apoptosis associated speck-like p...

Urticarial vasculitis and Schnitzler syndrome.

Both urticarial vasculitis and Schnitzler syndrome are serious diseases but a recently gained better understanding of their underlying pathomechanism allows better treatment options than only a decade ago.

Urticarial vasculitis induced by fluoxetine.

Urticarial Vasculitis in Northern Spain

Urticarial vasculitis (UV) is a subset of cutaneous vasculitis (CV), characterized clinically by urticarial skin lesions of more than 24 hours’ duration and histologically by leukocytoclastic vasculitis. We assessed the frequency, clinical features, treatment, and outcome of a series of patients with UV. We conducted a retrospective study of patients with UV included in a large series of unsele...

Urticarial reaction caused by ethanol.

BACKGROUND We report a case of an urticarial reaction after drinking alcohol beverages. The patient was a 47-year-old man suffering urticarial and anaphylactoid reaction to alcohol for two years. These reactions were observed at every alcohol beverages intake. CASE SUMMARY We performed a prick test with diluted ethanol, alcohol beverages and their metabolites (acetaldehyde, acetic acid). Only...