过敏症的迹象
食物过敏是引起恶心和/或呕吐的最可能过敏。当你的时候发生反应The immune system is a collection of cells and proteins that works to protect the body from potentially harmful, infectious microorganisms (microscopic life-forms), such as bacteria, viruses and fungi. The immune system plays a role in the control of cancer and other diseases, but also is the culprit in the phenomena of allergies, hypersensitivity and the rejection of transplanted organs, tissues and medical implants." rel="tooltip">免疫系统对食物中的食物或物质过度反应，错误地将其识别为危险并引发保护性反应。
您通常不会与恶心联系季节性过敏 - 有充分的理由。恶心和呕吐很少，如果有史以来，季节性的症状Allergies are inappropriate or exaggerated reactions of the immune system to substances that, in the majority of people, cause no symptoms. Symptoms of the allergic diseases may be caused by exposure of the skin to a chemical, of the respiratory system to particles of dust or pollen (or other substances), or of the stomach and intestines to a particular food." rel="tooltip">过敏．典型的季节性过敏症状包括打喷嚏、流鼻涕、眼睛发痒，可能还有皮疹。
如果你遇到你过敏的东西，你的免疫系统认为这种物质是危险的，并释放一种叫做Histamine is a chemical present in cells throughout the body that is released during an allergic reaction. Histamine is one of the substances responsible for the symptoms of inflammation and is the major reason for a nose running, sneezing, and itching in allergic rhinitis. It also stimulates acid production by the stomach and narrows the bronchi or airways in the lungs." rel="tooltip">组胺抵消它。组胺会导致各种症状，包括皮疹，头痛，打喷嚏，流鼻涕和肿胀 - 在食物过敏，恶心，呕吐和腹泻的情况下。如果过敏原是你呼吸的，你的反应可能会影响你的眼睛，鼻子和肺部。如果你吃过敏原，你更容易在你的嘴里，胃和肠子里有症状。
其他食物过敏症状包括：
- 荨麻疹
- 呼吸急促
- 喘息
- 重复咳嗽
- 循环系统的冲击或崩溃
- 紧，嘶哑的喉咙;麻烦吞咽
- 舌头肿胀，影响谈话或呼吸的能力
- 弱脉冲
- 苍白或蓝色皮肤
- 头晕或感觉晕眩
最严重的反应，称为速发型过敏反应，可能会危及生命，需要立即进行治疗Epinephrine is a naturally occurring hormone, also called adrenaline. It is one of two chemicals (the other is norepinephrine) released by the adrenal gland. Epinephrine increases the speed and force of heart beats and thereby the work that can be done by the heart. It dilates the airways to improve breathing and narrows blood vessels in the skin and intestine so that an increased flow of blood reaches the muscles and allows them to cope with the demands of exercise. Epinephrine has been produced synthetically as a drug since 1900. It remains the drug of choice for treatment of anaphylaxis." rel="tooltip">肾上腺素自动注射器，然后是紧急治疗。
用过敏师寻找专家护理。
不要让过敏或Asthma is a chronic, inflammatory lung disease characterized by recurrent breathing problems. People with asthma have acute episodes where the air passages in their lungs get narrower, and breathing becomes more difficult. Sometimes episodes of asthma are triggered by allergens, although infection, exercise, cold air and other factors are also important triggers." rel="tooltip">哮喘抱着你。
触发
如果您有食物过敏，可能导致恶心和呕吐等症状，重要的是要知道哪些食物引发症状。
八种最常见的食物过敏原是：
如何进行测试
如果您认为您可能会导致恶心和呕吐的食物过敏，您应该由过敏师进行测试。由董事会认证过敏师进行测试是帮助您处理过敏并避免触发器的第一步。过敏症将采取详细的病史，并审查您的症状，以确定您的症状是否被食物，药物，昆虫蜇伤或其他东西的过敏引发。
过敏测试既方便则准确。当结合详细的病史时，过敏测试可以识别引发过敏反应的特定事物。测试还可以帮助您的过敏症决定是否有食物不耐受或食物过敏，两者都可能导致胃部不适。
许多人可能认为他们有食物过敏，但他们真正经历的是食物不耐受。食物不耐受通常与食物过敏相似，会引起恶心和呕吐，但不会危及生命。确定你是否正在经历食物过敏的最好方法是去看过敏症专科医生做测试。过敏症专科医生会帮助你制定一个行动计划来处理你可能有的任何过敏或不耐受。
它也可以......
有很多东西会导致恶心和呕吐。如果您的过敏症规定了严重过敏，请询问还有什么可能导致您的恶心，例如：
- 脑脑损伤
- 怀孕的早期阶段
- 饮食失调
- 情绪压力
- 食物中毒
- 心脏病
- 胃流感等感染
- 强烈的痛苦
- 晕动病
- 对药物的反应
- 对某些嗅觉或气味的反应
- 溃疡
