Shared Flashcard Set

Details

Flea Allergy Dermatitis
FAD
12
Veterinary Medicine
Graduate
09/17/2011

Additional Veterinary Medicine Flashcards

 


 

Cards

Term

 

 

 

What is the pathogenesis of FAD (flee allergy dermatitis)

Definition

 

- Injection of salivary proteins (haptens)

 

- Combination of hapten with collagen to form antigen

 

- Hypersensitivity insues

Term

 

 

 

What type of hypersensitivity occurs with FAD?

Definition

Type I

 

Type IV

 

Cutaneous basophilic hypersensitivity

 

Late phase reacion

Term

 

 

 

 

Where anatomically are the physical findings noted?

Definition

 

 

Dogs: dorsal lumbar area, caudal aspect of rear legs, ventrum

 

Cats: similar or reaction patterns (miliary dermatitis or eosinophilic dermatitis)

Term

 

 

 

 

How long should an animal be treated for FAD with glucocorticoid?

Definition

 

 

 

 

Treat for 3-4 weeks to allow flea control to establish

Term

 

 

 

 

What type of hypersensitivity is a food allergy?

Definition

 

 

 

Type I and IV

Term

 

 

 

 

What are some differential diagnoses for adverse food reactions excluding hypersensitivities?

Definition

1) Food intolerance (dif b/c they can occur on first exposure)

 

2) Idiosyncratic adverse reactions 

 

3) Pharmacologic reaction

 

4) Food poisoning

Term

 

 

 

 

What are common food allergens for dogs and cats?

Definition

 

Beef, dairy products, poultry products, corn, soy.

 

Dogs: wheat 

 

Cats: FISH

Term

 

 

 

 

True or false: Food allergies are typically noted when there is a dietary change

Definition

 

 

 

 

False, most typically associated with a diet the animal has been on for weeks or months

Term

 

 

 

 

What physical findings would you expect in a dog food allergy?

Definition

 

 

Face rubbing, foot licking and generalized pruritis

 

Otitis externa

 

Recurrent superficial pyoderma or folliculitis

 

Interdigital pyoderma

Term

 

 

 

 

Physical findings for cat

Definition

Facial dermatitis

 

Otitis externa

 

Miliary dermatitis

 

Eosinophilic dermatitis

 

Self induced alopecia

Term

 

 

 

 

What should you base diagnosis on?

Definition

 

 

 

 

- Clinical features

 

- Hypoallergenic diet (8-12weeks animal should get 50%)

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