A 20yo man complains of recent onset of itching which followed a viral infection. There are
numerous wheals of all sizes on his skin particularly after he has scratched it. These can last up
to an hour. What is the most probable dx?
a. Uremia
b. Urticaria
c. Psychogenic itching
d. Atopic eczema
e. Primary biliary cirrhosis
Ans. The key is B. Urticaria.