When my nephew runs and plays he goes really dizzy , the colour drains from him he goes clammy then starts to be sick he then goes out cold til the next day , my sister s took him to the doctors and specialist and they have said he s allergic to dif thing then it turn out he ain't . They have mets with his food that much she had to put him on vitamins cus his nail fell off . We are really worried about him and we ain't getting know . His poo also goes green . Plus when he consentrates his had shakes