Allergy and the skin Flashcards
1
Q
what is the clinical presentation of a type 1 allergy/hypersensitivity
A
urticaria
angiodema
wheezing/asthma
anaphylaxis
2
Q
when should do a challenge test?
A
only if SPT negative
3
Q
investigations for type 1 allergy?
A
specific Ig E (RAST)
skin prick
challenge test
serum mast cell tryptase level
4
Q
how to treat type 1 allergy?
A
allergen avoidance
anti-histamines
corticosteroids
adrenaline
mast cell stabaliser
immunotherapy
5
Q
is coeliac and allergic reaction?
A
no.
causes by mast cell degranulation and not IgE mediated
6
Q
what mediated type 4 allergy/hypersensitivity?
A
T cell
this a delayed reaction
7
Q
common allergens or type 4 allergy
A
preservatives in cosmetics
nickel
fragnances
tattoo
8
Q
common allergens for type 1
A
nuts sea food pollen latex bee sting animal dander
