Food allergy in dog and cat

摘要: Food allergy in the dog or cat can only be described as non-seasonal dermatitis accompanied by scratching. When term 'food allergy' is used, an immune-mediated reaction not always meant, although would suggest that it is. The frequency of occurrence food unknown, with literature giving widely differing percentages. Type I and type IV hypersensitivity reactions probably play a role pathogenesis, III also thought to involved. Gastrointestinal disturbances skin complaints are symptoms allergy, scratching nearly mentioned most common sign. diagnosis made feeding animal on hypoallergic diet, which must given for several weeks. Diagnostic tests unreliable. patient should have been previously exposed ingredients diet. As 'home-made' diets may deficient minerals, vitamins, essential amino acids, these supplemented if diet maintained long time. prognosis good causative ingredient identified. It important animals' owner through instruction. Medicines little effect allergy.