step away from the drugs....
if your aforesaid symptoms also include a metallic taste in your mouth. Then i suggest you consult with medical professionals immediately <br />
could be anything from a tumor to epilepsy<br />
be smart about this
Get to the DOCTOR, it could be migraines (yes, you can get them without pain) or it could be something far more serious.
could be a symptom of a manic state like in bipolar disorder. SEEK MEDICAL HELP, mania can be very dangerous as it seriously impairs your judgment and decision making.