meri beti 3 yrs old h muje ab tk aisa feel hota h usko cold bht jldi lg jati h or usko cough ho jata h cold k sath or cough usko bna hi rhta h iska kya reason h raat ko usko khansi hoti h kbhi kbhi khansi k sath vomit kr deti h most of the tym usko cough hi rhta h aisa kis wjh se hota h???