Question: I have a clear history of allergen exposure, before the onset of more than nasopharyngeal itching, itchy eyes, sneezing, runny nose and coughing and other rapid onset of chest tightness, dyspnea, forced to sit up and breathe, forehead sweating, and now the hospital diagnosis is suffering from allergic bronchial asthma. The most suitable answer: allergic asthma patients often have allergies to certain substances atopic constitution, such as inhalation of cold air, pollen, dust mites, etc.; eating fish, shrimp, milk, etc.; or contact with certain drugs, such as penicillin. When these allergens into the patient's body, it will be through a series of reactions, so that mast cells or basophils release sensitizing active substances, the role of the bronchial tubes, resulting in a wide range of small airway narrowing, the occurrence of wheezing symptoms clinically, the treatment of allergic asthma in addition to instructing the patient to stay away from allergens, the main use of hormones, in order to control the frequency and periodicity of asthma attacks. Disease analysis: nasopharyngeal itching, eye itching, sneezing, runny nose and coughing which is the precursor to the onset of allergic tubular asthma, dyspnea which are all symptoms of asthma attacks. Guidance: Hello, allergic bronchial asthma in addition to taking medication, the most important thing is to stay away from allergens, usually stay indoors as much as possible is to clean up, do not have too much dust, do not raise some small animals in the house, drink more water, eat more fresh vegetables.