Urticaria Flashcards
1
Q
What is urticaria
A
Swelling of the superficial demris and s/c tissues
2
Q
What happens to urticaria when you touch it
A
It blanches
3
Q
What is the cut-off in weeks between acute and chronic urticaria
A
Acute: <6 weeks
Chronic: >6 weeks
4
Q
Urticaria is often ‘fleeting’, what does this mean
A
It can occur and then disappear up to 24hrs
5
Q
What are some of the causes of acute urticaria
A
Food
Drugs
Infections
6
Q
What type of Ig mediates acute urticaria caused by food and drugs
A
IgE
7
Q
What type of conditions can cause chronic urticaria
A
Autoimmune
Vascular
8
Q
How is urticaria managed
A
Topical antihistamines
Immunosuppresants (may be needed in chronic urticaria)
