Hi, I'M MALE, 58 YEARS OLD, IN GOOD HEALTH BUT

Hi, I'M MALE, 58 YEARS OLD, IN GOOD HEALTH BUT HAVE HAD SOME BAD PAIN IN THE LOWER HALF OF ONE SHIN FOR ALMOST A WEEK AND DID NOT INJURE IT. THERE IS A LITTLE REDNESS AND IT GETS TIGHT WITH SOME SWELLING WHEN I'M ON MY FEET MORE. I HAVE TRIED ICING IT AND IT HELPS A LITTLE BUT NOT FOR LONG.