Suggest Treatment For Itching And Swelling In Foot And Scrotum

i STARTED WITH AN ITCHY SWELLING ON THE ARCH OF MY FOOT - LIKE A MOSQUITO BITE WHICH BECAME LARGER AND DIFFICULT TO WALK ON. i TOOK AN ANTIHISTIMININE AND IT HAS GONE DOWN. nOW i HAVE SIMILAR ON MY WRIST WHICH HAS SWOLLEN INTO THE PALM OF MY HAND AND NOW HAVE A SWOLLEN AND ITCHY SCROTUM. i HAVE HAD FLU FOR THE LAST 7 DAYS