MSG REACTIOn?

OMG!! I NEED TO KNOW WHAT TO DO, MY FACE AND NECK ARE ALL RED, MY HEAD IS KILLING ME. I JUST HAD DINNER WITH A TERIYAKI GLAZE AND I AM TOTALLY FLUSHED MAYBE 30 MINUTES LATER. DO I CHUG A LUG WATER, TAKE SOME ASPIRIN? PLEASE ADVISE