Problemi speciali
Orticaria da freddo
Cold urticaria
Elisa Benelli1, Giorgio Longo1, Alessandro Ventura1,2
1Università di Trieste; 2IRCCS Materno-Infantile “Burlo Garofolo”, Trieste
Febbraio 2015 - pagg. 99 -103
Abstract
Cold-induce urticaria, a subtype of physical urticaria, is characterized by the appearance
of wheals after the exposure to cold. There are two main types of cold-induce urticaria:
the most common is the typical one, which is characterized by a positive cold stimulation
test, whereas the atypical one has a negative or abnormal response to this test. In
the typical form, wheals appear only in the area of contact with the cold stimuli, instead
in the atypical form they can develop also in other areas. In both forms, systemic symptoms
could be present up to anaphylactic shock. Antihistamines are the therapy of choice, but
in more severe cases steroids and epinephrine should be used. Prevention is essential
and consists in avoiding sudden exposition to cold; in known risk situations, prophylaxis
with antihistamines could be useful. Some cases are described as part of our experience
to understand atypical systemic cold urticaria better.
Parole chiave
Suggerite dall'AI
Classificazione MeSH
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Corrispondenza: elisa.benelli@gmail.com