Hi.. Iv Been Feeling Rather Crap These Past 5 Days

Hi.. iv been feeling rather crap these past 5 days .iv got severe stomache ache n bloating. And my head is absolutely buzzing n hurting as tho its being crushed.. I have a lot of stress on my plate at min and wondered if this as anything to do with it ..how do I make it go away ?iv taken lots of parecetomol