If your son is suffering from nasal obstruction
, then there will be enlarged adenoids. You should consult to an ENT specialist
who can do nasal endoscopy
or he will advic for an x-ray to see enlarged adenoid. Also ask to ENT specialist tjat your son has enlarged tonsils or not? Tonsilitis
may cause cough and fever off and on.
Wish you a speedy recovery of your son.