i have 5 months boy baby. from the date of his birth, he is having some cold type sound in his nose. but he doesn't have any sneezing, cold or cough. i showed him to 2,3 doctors, they said there is no cold or cough to him, it's just a climate change. but still he is having the same problem ( cold like sound in his nose) is that a problem? if yes any remedy? but he is having the same problem. some