花粉过敏

来自豚草的花粉导致许多人的过敏症状。这些症状包括打喷嚏,流鼻涕或鼻塞,喉咙发痒。

在这一页上

概述

虽然许多人认为春天是主要的花粉季节,但有一种花粉在夏末和秋天肆虐。豚草花粉通常在9月中旬达到峰值;这种花粉会引起季节性过敏Rhinitis is an inflammation of the mucous membrane that lines the nose, often due to an allergy to pollen, dust or other airborne substances. Seasonal allergic rhinitis also is known as "hay fever," a disorder which causes sneezing, itching, a runny nose and nasal congestion." rel="tooltip">鼻炎(通常被称为花粉热),这种病在美国影响了多达2300万人

美国有17种豚草。这种杂草生长在大多数地区,通常在8月到11月开花并产生细粉花粉。

找过敏症专科医生进行专业护理。

过敏医生可以让你在正确的轨道上处理豚草过敏。

症状

豚草的症状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">过敏与其他花粉过敏相似:

  • 打喷嚏
  • 流鼻涕
  • 鼻塞
  • 头痛
  • 生气的眼睛
  • 喉咙发痒

豚草花粉也可加重病情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">哮喘症状,导致咳嗽和喘息加剧。

管理和治疗

如果你在夏末或秋天出现花粉热症状,请教一个过敏专科医生关于豚草过敏的可能性。你的过敏症专科医生可以用皮肤试验- 将稀释的过敏原涂抹在皮肤表面上,等待15分钟,看看是否存在反应,例如瘙痒的凸起的红色凸点。

豚草过敏可以用抗组胺药和其他药物治疗过敏的药物.随着春天花粉季节的到来,你可以在症状最严重的两周前开始用药,以避免过敏。询问你的过敏专科医生是否可以在症状出现之前服用任何药物。

两个Immunotherapy ("allergy shots") is a form of preventive and anti-inflammatory treatment of allergy to substances such as pollens, house dust mites, fungi, and stinging insect venom. Immunotherapy involves giving gradually increasing doses of the substance, or allergen, to which the person is allergic. The incremental increases of the allergen cause the immune system to become less sensitive to the substance, perhaps by causing production of a particular "blocking" antibody, which reduces the symptoms of allergy when the substance is encountered in the future." rel="tooltip">免疫疗法适用于Ragweed Allergy的严重案例:

  • 打抗过敏针可以帮助你的身体建立抵抗力。
  • 可以在舌头下溶解的药片是处方药。豚草季节开始前12周必须开始服药。

其他建议包括:

  • 为了避免花粉,要知道你对哪些花粉敏感,然后检查花粉数量。在春季和夏季,在树和草花粉季节,夜间的花粉含量最高。在夏末秋初,豚草花粉季节,早晨的花粉含量最高。
  • 无论在家里还是在车里,都要把窗户关好。
  • 请记住,花粉可以通过衣服,头发或宠物追踪到您的家中 - 因此在外面的时间后换下衣服,在睡觉前淋浴,抚摸外面的动物后洗手。

口服过敏综合症

有时,当患有花粉症的人吃生的水果、蔬菜或某些坚果时,他们会出现口腔发痒、喉咙沙哑或嘴唇、口腔、舌头或喉咙肿胀。这可能是口服过敏综合征当这些生食物中的蛋白质与花粉足够相似时,它们会引起过敏反应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.削皮、烹饪或罐装水果或蔬菜可以预防口腔过敏综合征的症状。

桦树、草和豚草花粉是口腔过敏综合征的常见诱因。

本页面在2018年4月23日进行了审核。