i was diagnosed with chiari malformaton around june,this year....on august 3 rd i underwent surgery in hopes of relievng my symptoms...its been a little over 4 weeks since my surgery and something has come along...i was doing fine the 2 and 3rd week...but the 4th week hit me hard,i am in constant pain now. i have HORRIBLE headaches and terrible nausea to the point where i am throwing up daily...i need answers...what is going on?