Anti-Allergy Agents (M1) Flashcards
1
Q
What type of hypersensitivity reaction is taking place in the case of most acute ocular allergies?
A
type I`
2
Q
What are the three major categories of secreted items from a mast cell during type I hypersensitivity?
A
- granule contents
- membrane phospholipids
- cytokines
3
Q
What are the granule contents that are released from a mast cell during type I hypersensitivity?
A
- histamine
- proteases
- chemotactic factors (ECF, NCF)
4
Q
What are the major ocular surface signs and symptoms of type I hypersensitivity?
A
- itch
- redness and conj injection
- papillary reaction of palpebral conj
- tearing
- conj chemosis
5
Q
What is the standard treatment groups for acute allergic conjunctivitis or seasonal flare-ups?
A
- topical antihistamine/mast cell stabilizers
- topical steroids
- oral antihistamines
6
Q
What is the standard treatment groups for chronic/year round allergic conjunctivitis?
A
- topical antihistamine/mast cell stabilizers
2. oral antihistamines