Some coughs can be cured by infusion, but some cannot. Whether an infusion can cure a cough is based on the cause of the cough and whether the infusion is the right drug for the right condition. 3. If the cough is caused by allergies, the cough will not be relieved even if you do not apply anti-allergy medication but only some anti-inflammatory drugs. Patients with coughs should still go to a hospital respiratory department to see what disease is causing the cough and then use the right medicine. Generally, acute cough is the cough that appears in the last two weeks, most of which may be caused by acute upper respiratory tract infection, or bronchitis, which usually does not need to be sedated, just take cough medicine for the symptoms.