A.N.
I agree with all of these responses. You should take him to the doctor asap. He could have asthma or allergies causing asthma. My son who is 9yro has had symptoms including wheezing since he was 3 months old. Like was said below it could turn into an attack that could be fatal. Also it can turn into bronchitis and then pneumonia very quickly because he's and infant. I guess there's a chance he doesn't have either of these, but anyone I've ever talked to about their child wheezing finds out they have allergies/asthma.