Allergies Flashcards
1
Q
what is irritant contact dermatitis?
A
non immunological damage to the skin
caused by acids, solvents, alkalis, detergents
2
Q
what is acute contact dermatitis?
A
after overwhelming exposure to strong irritant
3
Q
what is chronic contact dermatitis?
A
wear and tear on the skin after repeated exposures to iritant substance
4
Q
what is sodium laurly sulphate and what is it known to cause?
A
burning mouth syndrome
sodium lauryl sulphates present in toothpaste, now SLS free tp
5
Q
what is allergic contact dermatitis?
A
hypersensitivity or type IV immunological reaction
6
Q
what are the two phases of contact dermatitis?
A
- Sensation phase - allergen is presented to local langerhan cells in lymph nodes
- Elicitation phase - development of dermatitis at sites of skin contact
