Quick, buy some tums or rolaids- you can also try drinking ginger ale, not a lot but just sip it. also ask someone where to buy motion sickness pills. they'll make you sleepy & it takes an hour or so to kick in but they do help
About an inch down from the crease of the palm of your hand, put your finger on it and apply some pressure. Do the same on the other side of your wrist and hold it until you don't feel nauseous. I have no idea how it works.