#AskTheExpert my son have little cough, mostly in night. in day time there is very little and sometimes no cough. it has been there for apprpx 35 days. me have taken medicine from doctor for apprpx 25 days but ho relief but night cough still persist. on 15thbmay doctor said he is fine and we stopped medicines and now we are not giving any medicine for last 10 days. after stopping medicine there is still litlle cough at night. can you please tell any root cause for this. understand that too much medicines are also not good for child. kindly avise