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VetPrep PowerPages: Non-species specific > Allergic Skin Disease of Dogs & Cats > Flashcards

Allergic Skin Disease of Dogs & Cats Flashcards

1
Q

Predominant clinical sign of allergic skin disease

A

pruritis

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2
Q

4 Major allergic skin diseases

A
  1. Flea allergy dermatitis
  2. Atopic dermatitis
  3. Food allergy
  4. Contact allergy
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3
Q

Food allergy occurs at what age?

A
  1. < 1 year of age

2. Old dogs

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4
Q

Atopy occurs at what age?

A

1-3 years of age

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5
Q

When do you see atopy symptoms?

A

Seasonally

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6
Q

When dod you see food allergy symptoms?

A

Year-round

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7
Q

The distribution of clinical lesions is key for developing a suspicion of what allergic skin disease?

A

Flea allergy dermatitis

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8
Q

The distribution of lesions are identical for what two allergic skin diseases?

A

Food Allergies & Atopy

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9
Q

How do you diagnose Atopy?

A

ruling out other diseases (NOT by intradermal or serum allergy testing)

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10
Q

Signalment: Flea allergy dermatitis?

A

No age predilection; usually over 6 months of age

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11
Q

Signalment: Atopy?

A

1-3 years

Many breeds including: West Highland White Terrier & English Bulldog

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12
Q

Signalment: Food allergy?

A
  1. < 1 year

2. Old patients

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13
Q

Signalment: Contact allergy?

A

No age predilection

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14
Q

Seasonality: Flea allergy dermatitis?

A

BOTH

  1. Seasonal
  2. Non-seasonal

depending on geography!

often in warm weather

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15
Q

Onset of clinical signs: Flea allergy dermatitis?

A

Rapid onset

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16
Q

Seasonality: Atopy?

A

BOTH

  1. Seasonal - grass pollen in summer
  2. Non-seasonal - house dust mites
    * some patients may show signs year round but exhibit worsening signs during particular months*
17
Q

Onset of clinical signs: Atopy?

A

Gradual onset

often starts in summer

18
Q

Seasonality: Food allergy?

A

Non-Seasonal = ALL YEAR ROUND

19
Q

Onset of clinical signs: Food allergy?

A

Gradual onset

occasionally more rapid

20
Q

Seasonality: Contact Dermatitis?

A

BOTH

Seasonal & Non-seasonal depending on what px is allergic to

21
Q

Onset of clinical signs: Contact allergy

A

Rapid onset

22
Q

Which allergic skin disease may OR may not be pruritic?

A

Food allergy

23
Q

Which allergic skin disease(s) is always pruritic?

A
  1. Flea allergy dermatitis
  2. Atopy
  3. Contact Allergy
24
Q

Common lesions of all allergic skin diseases?

A
  1. Excoriation
  2. Alopecia
  3. Erythema
  4. Hyperpigmentation
  5. Lichenification
25
Q

Dog Lesion location: Flea allergy dermatitis?

A

Caudal half of body:

  1. Dorsal lumbosacral region
  2. Tailbase
  3. Perineum
  4. Thighs
  5. Umbilicus
26
Q

Dog Lesions of Flea allergy dermatitis are NOT usually found where?

A

Ears

27
Q

Dog Lesion location: Atopy?

A
  1. Face
  2. Paws
  3. Distal extremities
  4. Ears
  5. Ventrum
28
Q

Dog Lesion location: Food allergy

A
  1. Face
  2. Paws
  3. Distal extremities
  4. Ears
  5. Ventrum
    * Same as Atopy*
29
Q

Dog Lesion location: Contact Allergy?

A

Usually hairless areas that readily come in contact with the environment:

  1. abdomen
  2. muzzle
  3. ventrum of paws
30
Q

Dog Lesions of contact allergy are NOT usually found where?

A

Ears - unless contact allergy is to ear medication

31
Q

Dog Primary lesions of Contact allergy?

A
  1. Vesicles

2. Papules

32
Q

What lesions do CATS present with for allergic skin diseases?

A
  1. Can present with same lesions as dogs

OR

  1. Reaction patterns
    - Miliary dermatitis
    - Eosinophilic granuloma complex
33
Q

What lesions make up miliary dermatitis in cat?

A

diffuse crusted papules

34
Q

What lesions make up the Eosinophilic Granuloma Complex in the Cat?

A
  1. Indolent Ulcer
  2. Eosinophilic Granuloma
  3. Eosinophilic plaque
35
Q

Eosinophilic Granuloma Complex:

Indolent Ulcer

  1. what is it?
  2. where is it?
A
  1. ulcerative symmetrical lesion

2. on the upper lip

36
Q

Eosinophilic Granuloma Complex:

Eosinophilic Granuloma

  1. where is it?
A

found in mouth or body

37
Q

Eosinophilic Granuloma Complex:

Eosinophilic Plaque

  1. what is it?
  2. where is it?
A
  1. linear plaques

2. on caudal thighs

38
Q

CAT lesion location: Flea allergy dermatitis?

A
  1. caudal dorsal

OR

  1. Face & neck
    * Symmetrical Alopecia*

VetPrep PowerPages: Non-species specific (2 decks)

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