44. Allergodermatitis (without atopy)

Question 1

History & signalment of dermatological exam

Answer 1

exercise intolerance
repro status
appetite
PU/ PD

Question 2

Physical dermatological exam

Answer 2

systemic disease
dermatological problem

Question 3

dermatological exam

Answer 3

localise and describe lesion
ectoparasites
characteristics of hair / skin

Question 4

addictional diagnostic methods for dermatological exam

Answer 4

skin scraping
otoscope
biopsy
immunology tests

Question 5

Aetiological classification of skin disease

Answer 5

congenital
bacterial
normergic dermatitis
autoimmune
ectoparasites
allergiv
fungal
neoplastic
endocrine
other

Question 6

what is most important when treating allergodermatitis

Answer 6

to treat more than just the allergy

Question 7

16 types of
Allergodermatitis

Answer 7

Atopic Dermatitis
Adverse food reaction
pruritus
allergy and hypersensitivity
immune mediated disorders
urticaria
angioedema
atopic like dermatitis
Flea bite hypersensitivity
contact dermatitis
feline psychogenic alopecia
feline miliary dermatitis
feline eosinophilic granuloma complex
autoimmune disroders
discoid lupus erythematosus
systemic lupus erythematosus

Question 8

another name for Atopic Dermatitis

Answer 8

eczema

Question 9

which allergodermatitis is most common

Answer 9

Atopic Dermatitis

Question 10

what is Atopic Dermatitis characterised by

Answer 10

itchy
red
swollen & cracked skin

Question 11

diagnosis of Atopic Dermatitis

Answer 11

exclusion

Question 12

how common is Adverse food reaction

Answer 12

20% of cases

Question 13

cause of Adverse food reaction

Answer 13

one or more proteins in food provokes allergies
type 1, 2, 4

Question 14

Clinical signs of Adverse food reaction

Answer 14

gi signs
Dog - pruritus, seborrhea, urticaria
Cat - generalised pruritus, miliary dermatitis - like lesions, facial dermatitis, eosinophil plaque / granuloma

Question 15

Diagnosis of Adverse food reaction

Answer 15

elimination trial
only give one protein at a time to figure out the cause of allergy
IgE testing

Question 16

Treatment of Adverse food reaction

Answer 16

allergen avoidance
hypoallergenic diet

Question 17

associated clinical signs of pruritus

Answer 17

alopecia
dermatitis
inflammation
hyperpigmentation
hot spot
redness
crusts
dandruff

Question 18

Causes of pruritus

Answer 18

allergy
ectoparasite
infection
neoplasia
immune mediated
syringomyelia

Question 19

diagnosis of pruritus

Answer 19

history - intensity, progression, diet, environment
physical exam - lesions, localisation, symmetry
skin scraping
blood test - sacoptes
elimination of contact dermatitis
elimination diet
allegy tests
skin biopsy

Question 20

differential of pruritus

Answer 20

self mutilation
excessive licking
foreign body

Question 21

treatment of pruritus

Answer 21

apoquel (oclacitinib)
cytopoint (lokivetmab)
cyclosporin

Question 22

side effects of apoquel

Answer 22

skin nodule

Question 23

side effect of cyclosporin

Answer 23

can be emetic
contrainficated in neoplasia and in cats with toxoplasma

Question 24

allergy definition

Answer 24

hypersensitivity of immunological origin

Question 25

atopy definition

Answer 25

predisposition to develop an allergic reaction

Question 26

pseudoallergy definition

Answer 26

allergy which is non specific or non immunological

Question 27

allergen definition

Answer 27

non infectious non invasive innocuous

Question 28

immune mediated disorders

Answer 28

anaphylaxis cytotoxic immune complex cell mediated

Question 29

possible cause of anaphylaxis

Answer 29

urticaria angiooedema allergic dermatitis atopy

Question 30

possible causes of cytotoxic

Answer 30

pemphigus drug AIHA foetal erythroblastosis

Question 31

possible causes of immune complex

Answer 31

SLE glomerulonephritis vasculitis drugs

Question 32

possible causes of cell mediated

Answer 32

allergic autoimmune catact allergen

Question 33

urticaria

Answer 33

type I & III hypersensitivity reaction acute onset

Question 34

causes of urticaria

Answer 34

drugs vaccine insect bites

Question 35

clinical signs of urticaria

Answer 35

localised / generalised wheals hairs stand up over affected area variable pruritus

Question 36

treatment of urticaria

Answer 36

water soluble gcc antihistamines

Question 37

angioedema

Answer 37

type I hypersensitivity

Question 38

cause of angioedema

Answer 38

wasp and bee sting

Question 39

clinical signs of angioedema

Answer 39

extreme swelling of head, face and feet laryngeal oedema

Question 40

treatment of angioedema

Answer 40

adrenaline gcc tracheotomy if necessary

Question 41

atopic like dermatitis

Answer 41

inflammatory & pruritic skin disease with similar clinical signs to atopic dermatitism no IgE response to allergens

Question 42

Flea bite hypersensitivity

Answer 42

Flea Allergy Dermatitis - FADA Type I & IV hypersensitivity

Question 43

Predisposed to FAD

Answer 43

dog > cat seasonal

Question 44

FAD in dogs

Answer 44

usually presents as papular dermatitis on flank, ventral abdomen or caudal body may produce - lichenification, acral lick granuloma, pyotraumatic dermatitis, seborrhea, alopecia, crusting secondary infections with yeast and bacteria

Question 45

FAD in cats

Answer 45

miliary dermatitis symmetrical alopecia excoriations eosinophilic granuloma complex intense and constant pruritis

Question 46

Diagnosis of FAD

Answer 46

flea dirt therapeutic trial

Question 47

Treatment of FAD

Answer 47

educate the owner treat pruritis prevent secondary infections topical antiinflammatories gcc - pred

Question 48

predisposition to contact dermatitis

Answer 48

any age some genetic disposition dogs with weakened immune status

Question 49

forms of contact dermatitis

Answer 49

allergic - contact dermatitis, immune system over reacts irritant - contact dermatitis, direct damage to skin

Question 50

contact hypersensitivity

Answer 50

rare delayed type IV hypersensitivity

Question 51

cause of contact hypersensitivity

Answer 51

soap pollen disinfectant shampoo rubber plastic

Question 52

clinical signs of contact hypersensitivity

Answer 52

erythema macules disinfectant hyperpigmentation pruritis

Question 53

diagnosis of contact hypersensitivity

Answer 53

scratch / patch testing

Question 54

primary irritant contact dermatitis

Answer 54

must be differentiated from contact hypersensitivity

Question 55

cause of primary irritant contact dermatitis

Answer 55

acids alkalis detergents soaps solvents

Question 56

Clinical signs of primary irritant contact dermatitis

Answer 56

localisation where hair is sparse red rash pruritis

Question 57

treatment of primary irritant contact dermatitis

Answer 57

bathing topical gcc ointment

Question 58

feline psychogenic alopecia

Answer 58

caused by anxiety neurosis excessive licking & grooming

Question 59

clinical signs of feline psychogenic alopecia

Answer 59

excessive licking & grooming increased anxiety, nervousness alopecia with no underlying inflammation hairs at the affected site are broken

Question 60

treatment of feline psychogenic alopecia

Answer 60

environmental enrichment phermone products clomipramine fluoxetine

Question 61

forms of feline eosinophilic granuloma complex

Answer 61

indolent ulcer eosinophilic plaque eosinophilic granuloma

Question 62

indolent ulcer form of feline eosinophilic granuloma complex

Answer 62

raised border swelling

Question 63

eosinophilic plaque form of feline eosinophilic granuloma complex

Answer 63

demarcated flat swellings of skin reddened appearance alopecia pruritis

Question 64

eosinophilic granuloma form of feline eosinophilic granuloma complex

Answer 64

nodular / linear area of raised, thickened skin, hair - loss ulceration pruritis

Question 65

cause of feline eosinophilic granuloma complex

Answer 65

hypersensitivity reaction

Question 66

treatment of feline eosinophilic granuloma complex

Answer 66

systemic gcc megestrol acetate

Question 67

causes of feline milary dermatitis

Answer 67

flea bite hypersensitivity FAD atopy drug hypersensitivity parasites essential FA deficiency

Question 68

clinical signs of feline milary dermatitis

Answer 68

mild popular reaction pruritus self trauma from lickinf increased hairball vomitting

Question 69

autoimmune disorders

Answer 69

pemphigus complex pemphigus foliaceus pemphigus vulgaris pemphigus erythematous pemphigus vegetans bullous pemphigoid

Question 70

pemphigus complex

Answer 70

vesiculobullous ulcerative disorders of the skin and mucosa autoantibody directed against epidermal intercellular cement

Question 71

pemphigus foliaceus

Answer 71

most common clinical signs -- vesiculobullous / exfoliative pustular dermatitis hyperkeratosis of foot pads

Question 72

diagnosis of pemphigus foliaceus

Answer 72

IF

Question 73

pemphigus vulgaris

Answer 73

most severe clinical signs - vesiculobullous lesions, ulcerative, erosive lesions, anorexia, depression, fever

Question 74

discoid lupus erythematosus

Answer 74

nasal solar dermatitis / collie nose dermatitis

Question 75

predisposed to discoid lupus erythematosus

Answer 75

collie g. shepherd shetland sheepdog huskey

Question 76

how is discoid lupus erythematosus exacerabated

Answer 76

by sunlight

Question 77

clinical signs of discoid lupus erythematosus in dogs

Answer 77

erythema alopecia ulceration loss of skin pigmentation crsuting scabbing exudation

Question 78

clinical signs of discoid lupus erythematosus in cats

Answer 78

self excoriation skin peeling crusting erythema

Question 79

treatment of discoid lupus erythematosus

Answer 79

avoid sunlight topical gcc po pred vit e PABA containing suncream

Question 80

predisposed to systemic lupus erythematosus

Answer 80

collie shetland sheepdog g. shepherd autoantibodies against many tissues

Question 81

how is systemic lupus erythematosus exacerbated

Answer 81

sunlight

Question 82

clinical signs of systemic lupus erythematosus are differentiated into

Answer 82

non cutaneous cutaneous

Question 83

non cutaneous signs of systemic lupus erythematosus

Answer 83

polyarthritis glomerulonephritis lymphadenopathy polymyositis pyrexia anaemia pleuritis pericarditis

Question 84

cutaneous signs of systemic lupus erythematosus

Answer 84

mucocutaneous ulcers seborrhea footpad lesions alopecia pyoderma

Question 85

diagnosis of systemic lupus erythematosus

Answer 85

IF of cutaneous lesions (major) coombs positive (major) thrombocytopaenia (major) Fever, CNS signs, pleuritis (minor) need 2 major and 1 minor

Question 86

treatment of systemic lupus erythematosus

Answer 86

gcc cytotoxic drugs

Question 87

other causes of allergodermatitis

Answer 87

drug eruption intestinal parasititic hypersensitivity cold agglutinin disease burns frost bite protein deficiency essential FA deficiency vitamin imbalances - A, biotin, nacin zinc responsive dermatosis