Allergy and Immunology Flashcards
Anaphylaxis
systemic IgE mediated reaction
treatment for anaphylaxis
epinephrine
Allergic rhinitis
IgE-medicated inflammatory response
Allergen-specific IgE binds to what
mast cells and basophils
Dennie’s lines
creases under eyes as a result of chronic edema
nasal smear for cytology for allergic rhinitis sows
- more than 10 percent eosinophils
- polymorphic leukocytes
most effective class of drugs for allergic rhinitis
intranasal steroids
first line therapy for allergic rhinitis
- first generation antihistamin
- second generation: safer and better tolerated, not as effective
why are decongestants used for a short period of time in allergic rhinitis
side effects of insomnia, nervousness, and rebound rhinitis
principle of immunotherapy of repeated injection so what for allergic rhinitis
allergens,
- with time, better tolerance
atopic dermatitis
eczema
lichenification
thickening of skin
chronic changes to atropic dermatitis
lichenification and pigmentary changes
infantile form of atopic dematitis
truncal and facial areas
along scalp
extensor surfaces
early childhood atopic dermatitis
flexural surfaces
chronic itching
lichenification
Diagnosis for atopic dermatitis
3/4
- pruritus
- personal or family history of atopy
- typical morphology and distribution
- relapsing or chronic dermatitis
management of atopic dermatitis
antihistamines
steroids
most common food allergies
egg milk peanut soy wheat fish
laboratory test for food allergy
skin test
radioallergosorbent (RAST) test
how can diffuse urticaria be treated
- antihistamines
- steroids
Urticaria
circumscribed, raised, evanescent (vanishing) areas of edema that are almost always pruritic