MY SON IS HE HAS 3 CONCUSSIONS DO TO SPORTS AND 1 FALL WHEN HE WAS BETWEEN 8-12. HE GETS HEADACHES BUT ONLY IN ONE SPOT. LAST MONTH HE HAD BLURRED VISION, CONFUSSION, RIGHT SIDE NUMBNESS, GAVE HIM BABY ASPIRIN, STARTED TO VOMIT...TODAY IN SCHOOL BLURRED VISION, PALE, NAUSEA. BEEN TO ER, MAYO CLINIC MN, GO TO DOC WED. FOR EKG, HAD TESTS AT MAYO..NEEDED VIT D.