Hi. How old is your son? When you say you have tried everything, do you mean over the counter remedies or treatment on prescription? Shop-bought products are of limited use compared to what your doctor can prescribe and i would recommend a concurrent course of topical differin and oral tetracycline. If you have already tried this, has he taken accutane and how quick was his relapse? It is possible to take a second course of accutane if necessary. Loiloi x