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Dermatology

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Eczema

Question
2 out of 13
 

A patient gets recurrent urticaria while doing exercise and on exposure to sunlight. Which of the following is most like cause - (AIIMS May 2012)



A Chronic Idiopathic Utricaria

B Universal dermographism

C Cholinergic utricaria

D Photo dermatitis

Ans. C
i.e., Cholinergic urticaria

This patient develops urticaria after:-

a. Exercise

b. Exposure to sunlight à generalized heating

Both of these provoke cholinergic urticaria due to stimulation of cholinergic sympathetic fibres.

Eczema Flashcard List

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