Contact Allergy Dermatitis Flashcards
1
Q
How does contact allergy dermatitis normally present?
A
-In response to chemicals, topical therapies, nickel, plants
2
Q
Treatment?
A
Avoidance of causing agent
3
Q
Diagnosis of contact allergy dermatitis?
A
Patch testing
4
Q
What type of hypersensitivity is this?
A
Type 4, T cell mediated reaction in response to an antigen that there has been PREVIOUS exposure to
5
Q
What is the timeframe for rash and skin changes in contact allergy dermatitis?
A
48-96 hours after exposure to antigen
6
Q
Who gets contact allergy dermatitis?
A
Common in trades where there is a lot of exposure to potential allergens (builders, mechanics, hairdressers)
-Increased risk in those with chronic skin conditions especially leg ulcers
7
Q
Management of contact allergy dermatitis?
A
- Antigen avoidance
- Regular emollients
- Topical steroids during flares
