Vaccinated late April.

In the week after the second shot, developed muscle spasms, twitching, nerve pain, chest pain, adrenaline dumping, back/neck pain, tingling and vibrations in extremities, most of this on the left side of my body.

May-June-July were terrible. Things got better slowly after that. Gabapentin helped. Neurologist wasn't helpful as they only screen for SEVERE issues like if you're literally vibrating in the office or can't walk properly; brain/spine MRI were clear.

Seven months after, still relapsing once in a while but it's at a way lower volume.

Sounds like you got it worse than I had it. Hang in there.

People should get vaccinated. People who experience these issues should also get more help. I'm on board with the autoimmune / inflammation explanation and I think by definition alone this is a rare thing.