Expert's Reply
A.
Allergy expert - 2019/12/19
You seem to be suffering from Physical Urticaria, which is not an allergy but sudden environmental changes can stimulate the release of histamine in the skin resulting in urticarial wheals. Some individuals react to sudden cold, heat, pressure on the skin, exercise, vibration, and sunshine (polymorphic light eruption). Try to avoid these triggers and take non-sedating antihistamines such as cetirizine, loratidine or fexofenadine if you anticipate exposure.
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