Two years old child often cough cold, have side effect, what method is there

Two years old children always cough, cold symptoms, this may be because the body caught cold, leading to upper respiratory tract infection caused by the phenomenon, this disease can be treated by drugs, cough can choose serious aerosol inhalation, generally no side effects on the child's body. In addition, frequent colds can also strengthen the child's physical fitness, let the child outdoor exercise.