Urticaria

Question 1

what is urticaria also called

Answer 1

hives

Question 2

what is urticaria

Answer 2

red blanching oedematous non-painful itchy lesions which last for a short period of time and leave no markings on resolution

Question 3

how common is it for patients to have angio-oedema with urticaria

Answer 3

common

Question 4

what is angiooedema

Answer 4

swelling of the deeper layers of the subdermis

Question 5

when is angioedema acute and chronic

Answer 5

<6wks and >6wks

Question 6

what are causes of acute and chronic angioedema

Answer 6

acute - specific stimulus (allergy)

chronic - idiopathic

Question 7

how is ACE inhibitor use related to angioedema

Answer 7

ACE inhibitor use can cause angioedema (commonly in black people)

Question 8

aetiology of urticaria

Answer 8

allergic reaction

Question 9

where is urticaria confined to

Answer 9

dermal layer

Question 10

risk factors

Answer 10

FHx
allergy (drug/food)
recent viral infection or insect bite

Question 11

what are common causes of non-IgE mediated urticaria

Answer 11

viral infection

insect bite

Question 12

history

Answer 12

red oedematous lesions on the body which are itchy
commonly resolves in 24hrs
associated swelling of face, tongue or lips may be seen

Question 13

investigations

Answer 13

a clinical diagnosis (for acute)