There is no such thing as a “one-minute cure for dry cough”. Dry cough can be caused by pungent odors, mycoplasma pneumonia, cough variant asthma, etc. You can use medication under the guidance of a doctor to relieve the symptoms of dry cough. 1. Pungent odors: Dry cough can be easily caused by the irritation of pungent odors in the throat, which can be relieved by staying away from the place where the odors are emitted, drinking plenty of water and taking rest. 2. Mycoplasma Pneumonia: Mycoplasma Pneumonia patients may have irritating dry cough, which can be treated with antibacterial drugs such as Roxithromycin and Azithromycin under the guidance of a doctor. 3. Cough variant asthma: Cough variant asthma can be caused by heredity, dust allergy and other factors, you can nebulize the way inhalation budesonide, salbutamol and other drugs to control the condition, reduce the symptoms of dry cough. If the symptoms of dry cough are more serious, it is recommended to go to the hospital for examination to clarify the cause of the disease and treat the symptoms according to the specific conditions. The above drugs should be used under the guidance of a physician.