The atopia (Dermatitis in Dogs)
La dermatitis atópica, also known as canine atopic dermatitis (DAC) the Immunopathology, is an allergic disease that manifests with inflammatory skin lesions that present with pruritus (intense itching). Genetically determined, reason that there are individuals and breeds predisposed to develop this disease.
1. What is the cause?
Disease of allergic origin such as is caused by exposure to substances in the environment that are generally harmless (alergenos). Most atopias are caused by contact with dust mites and are less frequent cases caused by pollen. Atopic dogs have impaired skin barrier, making it even easier entry of allergens to the body.
Other potential allergens: cotton, mossy, Human skin debris or feline, feather residues, Fleas, etc..
2. How does it manifest?
Symptoms are cutaneous, persistent when the allergens are constantly in the environment (mites) or seasonal appearance as in the case of pollen. In severe cases may manifest throughout the year.
Symptoms appear in dogs less than 3 years old.
• Itching of varying intensity with licking and / or chewing of affected areas.
• Skin lesions well demarcated (fitted enrojecidas themselves pelo)
• Secondary bacterial infections.
When lesions become chronic:
• Hair and skin with greasy.
• Peeling skin clear
• Hair Loss
3. Does treatment?
Atopy can not be cured but if controlled by a combined therapy based on:
• Reducing exposure to allergen.
• Topical treatments (hampas, lotions ..) eliminating the allergen skin and restore the skin barrier.
• Hyposensitization individual with progressively larger doses of the allergen.
External otitis are common in these patients (80% cases) and are the first reason for visit to the vet.