Overview of Allergic Skin Disease in Pets
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Questions and Answers

What is the common cause of pruritus in dogs and cats?

Allergic skin disease

Which of the following are triggers for allergic skin disease?

  • Environmental allergens
  • Foods
  • Ectoparasites
  • All of the above (correct)

    • Type I hypersensitivity is most commonly involved in allergic skin disease and is also known as __________.

    Immediate hypersensitivity

    Feline food allergy is considered a common trigger for allergic skin disease in cats.

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

    What is Canine Atopic Dermatitis (CAD)?

    <p>A common chronic, relapsing, pruritic and inflammatory skin syndrome in dogs</p> Signup and view all the answers

    What do appropriate treatments for dogs and cats with allergic disease consider?

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

    What is a significant characteristic of allergic skin disease (ASD) in dogs and cats?

    <p>It can be triggered by multiple factors.</p> Signup and view all the answers

    Flea allergic dermatitis is an example of environmental atopic dermatitis.

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

    Name two diagnostic tests commonly used to diagnose allergic skin disease.

    <p>Serological testing and intradermal testing.</p> Signup and view all the answers

    Allergic skin disease in dogs is primarily linked to __________ response to environmental allergens.

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

    Match the type of allergic reaction with its description:

    <p>Type I = Immediate hypersensitivity, such as anaphylaxis Type II = Cytotoxic reactions, involving antibodies Type III = Immune complex reactions, causing local inflammation Type IV = Delayed-type hypersensitivity, involving T cells</p> Signup and view all the answers

    Which of the following is NOT a trigger for allergic skin disease?

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

    Environmental atopic dermatitis and feline food allergy both can lead to allergic skin disease.

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

    What is the purpose of selecting appropriate treatments for allergic disease in pets?

    <p>To effectively manage acute flare-ups and chronic treatment needs.</p> Signup and view all the answers

    Feline atopic skin syndrome (FASS) is a condition in cats mainly influenced by __________ allergens.

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

    Which of the following conditions does NOT fall under the scope of allergic skin disease?

    <p>Seborrheic dermatitis</p> Signup and view all the answers

    What is the primary feature of Type I hypersensitivity?

    <p>Immediate cross-linking of IgE molecules</p> Signup and view all the answers

    Canine atopic dermatitis is primarily associated with IgM antibodies.

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

    What is a common clinical feature of canine atopic dermatitis?

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

    Feline atopic syndrome includes feline atopic skin syndrome and feline ________ allergy.

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

    Match the following conditions with their descriptions:

    <p>Canine atopic dermatitis = Chronic inflammatory skin syndrome in dogs Feline atopic syndrome = Allergic skin condition in cats Contact hypersensitivity = Reaction to direct skin contact with an allergen Drug reactions = Adverse effects following medication administration</p> Signup and view all the answers

    Which of the following is NOT considered a common type of hypersensitivity involved in skin allergic reactions?

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

    Hypersensitivity reactions require previous sensitization to occur.

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

    What is one environmental trigger commonly associated with atopic dermatitis?

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

    Drugs such as ________ may cause hypersensitivity reactions in pets.

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

    Parasitic arthropod hypersensitivity is commonly triggered by:

    <p>Mites and fleas</p> Signup and view all the answers

    Study Notes

    Allergic Skin Disease Overview

    • Allergy is a hypersensitivity response to allergens, commonly causing pruritus in dogs and cats.
    • Allergic skin disease (ASD) is multifactorial, influenced by genetic, environmental, and immunological factors.

    Key Triggers of Allergic Skin Disease

    • Environmental Allergens:
      • Canine: Environmental atopic dermatitis
      • Feline: Feline atopic skin syndrome (FASS)
    • Food Allergens:
      • Canine: Food-induced atopic dermatitis (food allergy)
      • Feline: Feline food allergy (FFA)
    • Ectoparasites:
      • Flea allergic dermatitis
      • Insect bite hypersensitivity
      • Mite hypersensitivity, particularly Sarcoptes
    • Contact Allergens
    • Micro-organisms:
      • Malassezia hypersensitivity
    • Drugs

    Hypersensitivity Responses

    • Type I hypersensitivity is the most common, involving IgE-mediated degranulation of mast cells, leading to tissue inflammation.
    • Requires sensitization through repeated allergen exposure; subsequent exposure results in an excessive immunological response.

    Common Forms of Allergic Skin Disease

    • Canine Atopic Dermatitis (CAD):
      • Chronic, relapsing condition presenting with pruritus and inflammation.
      • Traditionally linked with IgE antibodies to environmental allergens.
    • Feline Atopic Syndrome:
      • Includes FASS and FFA, exhibiting similar clinical features as CAD.

    Learning Objectives for ASD Sessions

    • Describe history and clinical signs of ASD through prior immunological knowledge.
    • Choose appropriate diagnostic tests, understanding the pros and cons of serological and intradermal tests.
    • Select treatments considering acute and chronic needs, factoring cost, practicality, and efficacy.

    Session Plan Highlights

    • Lectures on pathogenesis and clinical signs.
    • Group work on diagnostic tests for food-induced and environmental atopy.
    • Discussion of treatment options.
    • Case studies for practical application.

    Allergic Skin Disease Overview

    • Allergy is a hypersensitivity response to allergens, commonly causing pruritus in dogs and cats.
    • Allergic skin disease (ASD) is multifactorial, influenced by genetic, environmental, and immunological factors.

    Key Triggers of Allergic Skin Disease

    • Environmental Allergens:
      • Canine: Environmental atopic dermatitis
      • Feline: Feline atopic skin syndrome (FASS)
    • Food Allergens:
      • Canine: Food-induced atopic dermatitis (food allergy)
      • Feline: Feline food allergy (FFA)
    • Ectoparasites:
      • Flea allergic dermatitis
      • Insect bite hypersensitivity
      • Mite hypersensitivity, particularly Sarcoptes
    • Contact Allergens
    • Micro-organisms:
      • Malassezia hypersensitivity
    • Drugs

    Hypersensitivity Responses

    • Type I hypersensitivity is the most common, involving IgE-mediated degranulation of mast cells, leading to tissue inflammation.
    • Requires sensitization through repeated allergen exposure; subsequent exposure results in an excessive immunological response.

    Common Forms of Allergic Skin Disease

    • Canine Atopic Dermatitis (CAD):
      • Chronic, relapsing condition presenting with pruritus and inflammation.
      • Traditionally linked with IgE antibodies to environmental allergens.
    • Feline Atopic Syndrome:
      • Includes FASS and FFA, exhibiting similar clinical features as CAD.

    Learning Objectives for ASD Sessions

    • Describe history and clinical signs of ASD through prior immunological knowledge.
    • Choose appropriate diagnostic tests, understanding the pros and cons of serological and intradermal tests.
    • Select treatments considering acute and chronic needs, factoring cost, practicality, and efficacy.

    Session Plan Highlights

    • Lectures on pathogenesis and clinical signs.
    • Group work on diagnostic tests for food-induced and environmental atopy.
    • Discussion of treatment options.
    • Case studies for practical application.

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    Related Documents

    4.23.1.14 Allergic skin disease (1) Pathogenesis and presentation.pptx
    4.23.1.14 Allergic skin disease (1) Pathogenesis and presentation.pptx

    Description

    This quiz covers the multifactorial nature of allergic skin disease (ASD) in dogs and cats. Participants will learn about key triggers such as environmental allergens, food allergens, and more, as well as the types of hypersensitivity responses involved. Test your knowledge on how these factors contribute to skin allergies in pets.

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