If you have just drinking a bottle of red bull and are getting chest pains and a bad head ache what is the smartest thing to do to stop it?

Stop drinking the Red Bull. It has a lot of caffeine and what you describe sounds like a reaction to that. Drink some water, go for a walk.

Are you taking any other medication,

I had a good friend sent to the hospital because of some side effects from taking other over the counter meds and herbs