When the headache starts, it comes out <span style = 'background-color: #dae8f4'>of</span>
nowhere with a sharp
stabbing <span style = 'background-color: #dae8f4'>pain</span>
right where my head meets my neck
on the back left
hand side. The pain
is intense but it fades fairly quickly (within a minute). However, for hours afterward, I'll get aftershocks, I guess that's the best way to describe it - it's in the same spot, same feeling, just less severe (still pain
Like I said, I don't think there's a linking factor.