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Atopic dermatitis in the dog

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Atopic dermatitis in the dog

  1. 1. ATOPIC DERMATITIS IN THEDOGby Roosa Hentunen,Veterinary medicine first year2011
  2. 2. OUTLINE Allergy What is atopic dermatitis? Symptoms Making the diagnose Testing Treatment Specific therapy References
  3. 3. ALLERGY Allergens enter to the system and crab to the IgE antibodies. The mast cell covered by IgE releases its mediators. Follows itching and swelling. Atopic dermatitis and its symptoms are based on allergic reaction
  4. 4. WHAT IS THE ATOPIC DERMATITIS? A skin disease Immune system over reacts with allergic reaction Harmless things, for example dust mites, are seen as allergens Appears usually in the first two years of the dog’s life Somehow heritable, research is still going on
  5. 5. SYMPTOMS Licking, scratching and chewing of skin, paws, abdomen and perineum Reddened and hot ears Baldness of the skin Saliva staining Skin and coat change color Between symptom periods the skin looks normal With more damage to the skin, secondary infections may follow
  6. 6. MAKING THE DIAGNOSE No specific test to confirm the diagnose Other skin problems must be ruled out:1. Parasites2. Food allergy3. Infections Once the diagnose is confirmed, start skin testing
  7. 7. SKIN TESTING Identifys the allergens involved to the disease Small area of the coat is shaved Possible allergens are injected in to the skin Reactions are followed If diagnose is positive, start treatment
  8. 8. TREATMENT Think the situation as a whole Treat away other skin problems:1. Yeast and bacterial infections2. Ectoparasites Make the dog’s life as comfortable as possible; less therapy needed
  9. 9. SPECIFIC THERAPY Many drugs are used together Essential fatty acids Antihistamines Steroids Hyposensiting vaccines Allergen avoidance
  10. 10. REFERENCES Stephen Shaw, BVetMed, CertSAD, MRCVS http://www.priory.com/vet/vetatop1.htmThank you for watching!

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