I have been questioning that possibility for myself as well. Mine was originally only on my right side (which happens to be the side my seizures fancy, too). Last week, I started to have the same issues on my left side and it worries me.

I really hope you do find comfort, it is the worst pain I've ever felt in my life. No matter how instant it is, it is horrible to experience it.

I wish you the best. (All of you!)