What Is The Treatment For Skin Infection And White Color Pimples?

HI DOCTOR MY BROTHER SON WAS ONLY 4 MONTH AND HE GOT SKIN INFECTION LIKE EXTRA CELLS ARE GROWN INSIDE IS BODY DR TOLD ITS LIKE A VIRUS AND HIS FULL BODY HAS LIKE WHITE CLOUR PIMPILES AND NECK ,THIGH INSIDE REDISH COLOUR WHT THE PROBLEM WE CAN CURE THAT PLS HELP