Don't know that I can relate except I'm wondering if what you are feeling is the same way I feel when I forget to take my Effexor?'
It feels almost like lightening going thru my body or a single appendage and then up to my head in a flash. It's almost like a very huge and fast wave runs through my blood viens or something. Eye movement seems to trigger most of them. They are very uncomfortable feeling

, which is good for me b/c I'm always forgetting to take my meds so this is like an internal alarm to remind me. Like I said, I have no idea if that is what you are feeling or not...probably not.
good luck with everything.