I've had 2 weeks or vomiting, diarrhea, dizzyness, vertigo, numbness (mostly scalp and groin), aches, more sweating , visual changes?

See your physician: These symptoms may represent a specific kind of headache or other neurological condition. You should keep a log of the location, timing, duration, characteristic, and intensity of these episodes and take the log to your physician. https://www.aan.com/Guidelines/Home/ByTopic?topicId=16 , http://emedicine.medscape.com/article/1142731-overview