Allergic Skin Diseases in Companion Animals
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Questions and Answers

Which of the following is a common trigger for pruritus in companion animals with allergic skin disease?

  • Ectoparasites
  • Contact allergens
  • Foods
  • Environmental allergens (correct)

    • Which of the following is a common cause of pruritus in companion animals with allergic skin disease?

  • Ectoparasites
  • Foods
  • Environmental allergens (correct)
  • Micro-organisms

    • Which of the following is a common trigger for feline atopic skin syndrome (FASS)?

  • Contact allergens
  • Foods
  • Environmental allergens (correct)
  • Ectoparasites

    • Which of the following is a common trigger for flea allergic dermatitis?

    <p>Ectoparasites</p> Signup and view all the answers

    Which of the following is a common trigger for mite hypersensitivity?

    <p>Ectoparasites</p> Signup and view all the answers

    Which of the following is a common trigger for food-induced atopic dermatitis (FIAD) in dogs?

    <p>Foods</p> Signup and view all the answers

    Which of the following is a common trigger for feline food allergy (FFA)?

    <p>Foods</p> Signup and view all the answers

    Which of the following is a common trigger for equine atopic dermatitis?

    <p>Environmental allergens</p> Signup and view all the answers

    Which of the following is NOT a common trigger for pruritus in companion animals with allergic skin disease?

    <p>Micro-organisms</p> Signup and view all the answers

    Which type of hypersensitivity is considered to be involved in most cases of atopic dermatitis in dogs?

    <p>Type I hypersensitivity</p> Signup and view all the answers

    What is the role of the innate immune system in the pathogenesis of atopic dermatitis?

    <p>Initiating and maintaining inflammation</p> Signup and view all the answers

    Which cells are primarily involved in the sensitization phase of atopic dermatitis?

    <p>B cells</p> Signup and view all the answers

    What is the main clinical feature of atopic dermatitis in dogs?

    <p>Chronic relapsing pruritic dermatitis</p> Signup and view all the answers

    Which breed(s) are known to have a predilection for atopic dermatitis?

    <p>All of the above</p> Signup and view all the answers

    What is the age of onset for atopic dermatitis in dogs?

    <p>6 months to 3 years</p> Signup and view all the answers

    What is the term used to describe the immunological reaction to dietary allergens in dogs with atopic dermatitis?

    <p>Food hypersensitivity</p> Signup and view all the answers

    What is the main difference between environmental atopic dermatitis and food-induced atopic dermatitis in dogs?

    <p>Pathogenesis</p> Signup and view all the answers

    Which type of immune response is primarily associated with acute lesions of atopic dermatitis in dogs?

    <p>Th2 response</p> Signup and view all the answers

    What can IL31, produced in response to allergen exposure, bind to in atopic dermatitis?

    <p>Nerve endings</p> Signup and view all the answers

    Which age group is most commonly affected by atopic dermatitis in dogs?

    <p>Adult dogs between 1-3 years old</p> Signup and view all the answers

    Which breeds are known to have a predilection for atopic dermatitis?

    <p>Poodles, Bulldogs, and Terriers</p> Signup and view all the answers

    Which areas of the body are most commonly affected by atopic dermatitis in dogs?

    <p>Head and ears</p> Signup and view all the answers

    What is the main clinical manifestation of atopic dermatitis in dogs?

    <p>Relapsing pruritic dermatitis</p> Signup and view all the answers

    What is the typical response to glucocorticoids in dogs with atopic dermatitis?

    <p>Temporary relief</p> Signup and view all the answers

    What is the term used to describe atopic dermatitis triggered by dietary allergens in dogs?

    <p>Food-responsive dermatitis</p> Signup and view all the answers

    What is a common complication associated with atopic dermatitis in dogs?

    <p>Recurrent secondary pyoderma</p> Signup and view all the answers

    What are the age of onset and breed predilections for atopic dermatitis in dogs?

    <p>Age of onset is 6 months to 3 years. Breed predilections include WHW terrier, Labradors, French/English bulldogs.</p> Signup and view all the answers

    What are the clinical features of atopic dermatitis in dogs?

    <p>Classically, atopic dermatitis presents as chronic relapsing pruritic dermatitis, usually responsive to glucocorticoids. Initially, there may be erythema and papules, which can progress to self-induced alopecia and excoriations. The affected areas are usually the ears/face, feet, carpi/tarsi, axillae/inguinum, ventrum, and perineum. It is often associated with recurrent secondary pyoderma/Malassezia infections.</p> Signup and view all the answers

    What is food-induced atopic dermatitis in dogs?

    <p>Food-induced atopic dermatitis, also known as 'food-responsive dermatosis', refers to an immunological reaction to dietary allergens or non-immunological reactions to diet, which can cause dermatological clinical signs identical to environmental atopy.</p> Signup and view all the answers

    How does food-induced atopic dermatitis differ from environmental atopy in dogs?

    <p>Food-induced atopic dermatitis has less known about its pathogenesis compared to environmental atopy, and it is less common.</p> Signup and view all the answers

    What is the term used to describe atopic dermatitis triggered by dietary allergens in dogs?

    <p>The term used to describe atopic dermatitis triggered by dietary allergens in dogs is food-induced atopic dermatitis.</p> Signup and view all the answers

    What are the clinical manifestations of atopic dermatitis in dogs?

    <p>The clinical manifestations of atopic dermatitis in dogs include chronic relapsing pruritic dermatitis, erythema, papules, self-induced alopecia, excoriations, and recurrent secondary pyoderma/Malassezia infections.</p> Signup and view all the answers

    What is the typical response to glucocorticoids in dogs with atopic dermatitis?

    <p>Dogs with atopic dermatitis usually show a positive response to treatment with glucocorticoids.</p> Signup and view all the answers

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