i had the same thing it started in dec up untill a month ago i think it was stress related the meds my p doc put me on helped it alot but i'm no doctor if it concerns u see a doctor ques.? do u feel a slight burning sensation in ur head like if someone put a bit of pepper on it just wondering because i was getting that plus all the symptoms u mentioned hope u feel better real soon it's awfull to feel sick i know love steph