When patients have a dry cough, what drugs can be very effective, depending on what causes the dry cough, the corresponding drug treatment, as follows: 1, cough caused by cough variant asthma: oral montelukast sodium, as well as inhalation budesonide formoterol; 2, dry cough caused by gastroesophageal reflux: oral omeprazole, mosapride; 3, dry cough caused by mycoplasma infection: oral azithromycin, erythromycin, roxithromycin, levofloxacin, moxifloxacin, etc.; 4, dry cough caused by pharyngitis: can contain fat sea tablets, golden voice throat tablets, grass coral tablets, etc.