Hi, My Son is 7.2yrs old, he is having Cough, cold n sneeze from 20days have given sinarest 5ml 3times for 7 to 8 days, then Citzine syrup 5ml for 3 days but no relief, mostly at time of sleeping it makes more prblm noise are blckd, makes uncomfortable after nasal drop makes him sleep, Pls. suggest us.