If your cough is paroxysmal choking-like dry cough with a little white sputum, taking various antibiotics has no effect, you don't have a fever, you are afraid of cold air and smoke, your throat is a little itchy, and you occasionally have a little wheezing. When you have a bad dry cough, you will feel nauseous, sometimes accompanied by sneezing, runny nose and stuffy nose. That is allergic cough, also known as cough variant asthma.

You should check allergens first, and then carry out targeted prevention and desensitization. You can refer to this famous allergy website in China-China Allergy and Asthma Network, which contains articles about allergic cough and allergic rhinobronchitis. Many problems can be solved without spending money.