suffering from cough,and running nose,..after sudden atmosphere change.. we r giving continues syrup and medicine but when we stop again he suffer..... kindly tell best immune booster for the same ..

A. child suffering from cough cold and running nose sore if there is cold it could be some flu infection which is a viral illness and here steam inhalation will be helpful along with that ascoril flu or sinarest can be given in a proper dose then consult dr