Page 2775 - Cote clinical veterinary advisor dogs and cats 4th

Pruritus 1445

Pruritus
VetBooks.ir History and physical examination

Initial database:
• Flea comb
Positive • Acetate tape
• Trichogram
Skin scrapings
•
Skin cytology
•
• Fungal culture
Negative

Papules Papules and pustules
Treat for: only or epidermal collarettes
• Parasites:
Fleas/flea allergy Yes No
Sarcoptes
Cheyletiella Acaricide and Antibiotic Acaricide and
Notoedres insecticide trial trial insecticide trial
Otodectes
Pelodera Positive Negative Positive Positive Negative
Harvest mites
• Infections:
Pyoderma Parasitic skin Antibiotic Parasitic skin Pruritus persists
disease
trial
Malassezia disease
Dermatophytes
Positive
Pyoderma
Yes
Pruritus seasonal
No
• Seasonal atopic dermatitis (e.g., pollens)
• Contact allergy to plants Food trial
• Harvest mites
• Pelodera Positive Negative
• Mosquito bites hypersensitivity

Food In vitro/in vivo
hypersensitivity allergy testing
Positive Negative

Atopic dermatitis Skin biopsy

• Sebaceous adenitis Clinical Algorithms
• Epitheliotropic lymphoma
• Calcinosis cutis

EDITED BY: Leah A. Cohn, DVM, PhD, DACVIM
ORIGINALLY WRITTEN BY: Manon Paradis, DVM, MVSc, DACVD

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