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In normal animals, the skin has an important barrier function. The integrity of the epithelium may be impaired in atopic animals, facilitating further exposure to allergens. Finding ways to help improve the barrier function of the epidermis can contribute towards the effective management of atopy.
 
In normal animals, the skin has an important barrier function. The integrity of the epithelium may be impaired in atopic animals, facilitating further exposure to allergens. Finding ways to help improve the barrier function of the epidermis can contribute towards the effective management of atopy.
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====Diet and the skin====
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Food trials are often used during the course of a work-up for atopic dermatitis to eliminate food allergy as a cause of pruritus. Many atopic animals non-specifically improve during food trials on prescription hypoallergenic diets, which may be attributable to several of their components. The inclusion of zinc and long-chain omega essential fatty acids is thought to reduce inflammation, and substances such as inositol, choline, histidine, pantothenate and nicotinamide may help improve epidermal lipid barrier<sup>4</sup>.
Many atopic animals non-specifically improve
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following food trials, probably because high quality,
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essential fatty acid (EFA) enriched, single-protein
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sensitivity control and hydrolyzed hypoallergenic
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diets affect the skin barrier and/or skin immune
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system. Nutrients believed to be important include:
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•Zinc – decreases inflammation.
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•Long chain omega (n-3) EFAs – alter eicosanoids
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and decrease inflammation.
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•Inositol, choline, histidine, pantothenate,
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nicotinamide improve epidermal lipid barrier
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formation.
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•Aloe vera and curcumin – up regulate fibroblasts,
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proteoglycan synthesis and TGF-β production,
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and decrease inflammation.
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In the author’s opinion, unpublished data from
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randomized cross-over studies have shown that
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Eukanuba Dermatosis FP and Royal Canin Skin
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Support diets significantly ameliorated clinical
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signs in atopic dogs.
      
====Topical therapy====
 
====Topical therapy====
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