ICD-11 definition : Cholinergic urticaria presents as an eruption of multiple small 2-3 mm monomorphic
papular weals in response to sweat-inducing stimuli such as physical exertion, hot
baths, spicy foods or sudden emotional stress. The weals tend to be pink in milder
cases but white with surrounding macular erythema when the oedema is more intense.
Angioedema and systemic manifestations including faintness, headache, palpitations
and wheezing may occur in severe cases.;
Cholinergic urticaria presents as an eruption of multiple small 2-3 mm monomorphic
papular weals in response to sweat-inducing stimuli such as physical exertion, hot
baths, spicy foods or sudden emotional stress. The weals tend to be pink in milder
cases but white with surrounding macular erythema when the oedema is more intense.
Angioedema and systemic manifestations including faintness, headache, palpitations
and wheezing may occur in severe cases.