Impetigo is usually treated with antibiotics, and the exact kind you are prescribed depends on how widespread and severe your condition is. Impetigo is a common contagious skin infection.

A review of these studies noted the following: Efficacy of antibiotics over placebo for impetigo was demonstrated in two of three studies (using retapamulin [Altabax ®] and fusidic acid ...

You do not say if he has had antibiotics but I presume that if he has grown staphylococcus from swabs your GP will have prescribed these. Sometimes impetigo can be recurrent ¿ there are several ...