For the treatment of present problem of your child more information is needed like has he been having snoring
, mouth breathing
, has he had nasal problems earlier, was there such similar attack earlier etc.
As the infection has recurred it is important to know if there is any chronic sinus problem, adenoid
enlargement, chronic tonsillar infection etc.
So please do not repeat antibiotic yourself.
Show him to an ENT specialist
. He can examine the child and determine the reason for recurrence of infection and treat accordingly.