Why to stand long meeting giddy nausea gives cold sweat

Cause standing for a long time will dizziness nausea cold sweat performance, first consider is caused by hypoglycemia physical discomfort, dizziness nausea, sweating, etc., followed by hypotension will also cause this performance, in addition to kidney deficiency caused by dizziness nausea. Suggest that patients strengthen their own exercise, improve physical fitness.