My 7 Year Old Daughter Have Wheezing Problem.. From Day

My 7 year old daughter have wheezing problem.. from day before yesterday she is having cough. I'm giving her ambrolite s. Now she is recovering but still from 3 am to 5 am she gets cough frequently... In coimbatore our child specialist Dr Anu rad ha mam prescribed to give Xyzol M Kid daily by around 6 pm. But here in chennai the doctor told to stop. After stopping the tablet now often she is suffering from wheezing. Kindly advise