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牛奶具有很高的营养价值,可是吃牛奶也会引起一些过敏性疾病。据报道,牛奶中至少含有25种物质能引起人体过敏性反应,有的表现全身性荨麻疹、湿疹和血管神经性水肿,眼结膜充血水肿;有的表现为恶心呕吐、腹痛腹泻;有的表现为流涕、打喷嚏,耳、咽喉部发痒等。更为严重的是牛奶可诱发哮喘,表现为呼吸困难、面色青紫、烦燥不安,需要急诊治疗。也有嗅到牛奶气味或皮肤接触到牛奶发生过敏反应的。引起过敏反应的原因,主要是牛奶中的过敏原与人体血液中蛋白质发生抗原抗体反应所致。吃牛奶过敏的小儿,吃羊奶也会过敏,祖父母、父母中有牛奶过敏史的,或母亲虽无牛奶过敏史,但在妊娠期间吃了大量的牛奶、羊奶,出生的小儿若用牛奶、羊奶喂养,就有可能发生过敏反应。
Milk has high nutritional value, but eating milk can also cause some allergic diseases. It is reported that milk containing at least 25 substances can cause allergic reactions in the body, some manifestations of systemic urticaria, eczema and angioneurotic edema, conjunctival congestion and edema; some showed nausea and vomiting, abdominal pain and diarrhea; some performance To runny nose, sneezing, ear, throat itch and so on. More serious is the milk can induce asthma, manifested as breathing difficulties, looking bruising, irritability, need emergency treatment. There are also smells of milk smell or skin allergies to milk exposure. The cause of allergic reactions, mainly milk allergens and human blood protein antigen-antibody reaction. Eat milk allergy in children, eat goat milk allergy, grandparents, parents have a history of milk allergy, or although the mother had no history of milk allergy, but eat a lot of milk during pregnancy, goat milk, born children if the use of milk , Goat milk feeding, there may be an allergic reaction.