Hii i have 4 months old baby boy, he has some problem like occure a sound when he feeding, excited, playing except sleeping time. Doctor said his breath is not proper way some breathing way still yet not develop ..it may taking time almost 1 year. but this sound is realy terrific and i m worried for it where there is not solution doctor said. please suggest and side by side 4 months baby boy he cant use any baby shampoo??