How long the course of medication for atopic cough will take to get better depends mainly on the severity of the patient. Cough variant asthma is a variant cough, which belongs to a special type of bronchial asthma, mainly caused by the invasion of the body by allergens, causing a hyper-reactive state of the airways, which can be treated with anti-allergic options. Especially for mild cases of variant cough, avoiding allergens and taking appropriate anti-allergy medications, such as paracetamol, cetirizine, loratadine, ketotifen, montelukast, etc., can lead to complete improvement in about 3-5 days. For persistent attacks of variant cough, where the cough is relatively intense, lasts for a long time, and occurs repeatedly, in addition to these drugs mentioned above, you can also take appropriate cough suppressant and phlegm-relieving drugs, such as fexofenadine cough syrup and compound methocarbamol capsules, and combined with nebulized inhalation treatment, including the choice of glucocorticoids and bronchodilating nebulized drugs, the treatment will take 2 weeks, or even more than 2 weeks to completely resolve. or even more than 2 weeks for complete improvement.