If you have a dry cough and your cough doesn't stop all the time, you can achieve the goal of relieving cough quickly. According to different reasons, such as cough variant asthma, you can take antiallergic drugs, such as chlorpheniramine, ketotifen, montelukast sodium, loratadine and cetirizine, which can reduce the allergic reaction of the airway and achieve the goal of relieving cough. In addition, you can also choose glucocorticoids, such as dexamethasone and prednisone, which can eliminate airway inflammation and relieve cough as soon as possible. You can also choose compound preparation drugs, such as compound methoxyphenamine capsules and phenamine cough syrup. For bacterial infections, you can choose antibiotics, such as amoxicillin, clindamycin and azithromycin.