I dont take pain medicine at all but ive had a severe headache on my left side of my head for a whole week now! I was in a sever accident the end of April and my head got split open several times on the left side. So i get alot of headaches and ive had 4 seizures since then but i cant have anything in my system in case i get tested by my doc. wat is the best and fastest way to get this outta my system??? someone pls help pls i am a slinder girl so i have a high metabolism pls anyone i gotta get this outta my system asap pls help??? and how long does K2 stay in ur system??