Does anyone else experience nerve pain in your head or temples? Starting a few weeks ago my right temple started feeling like pressure was put on it, and then that blood was rushing to it because that area started to feel "wet" and "cool" sort of. It's hard to explain. After a minute, it wouldn't feel cool anymore, but in the past couple of days I've been having more nerve, not really pain, but pressure. Sometimes I also feel a bit of pressure on my cheek, around and behind my eyes. The last time I took b12 was 4 weeks ago. I had to stop because I was having bad reactions to it (anxiety, couldn't sleep, personality changes etc). I'd also like to add that in the past month I've also had sudden body twitching, especially at night, but that's gradually dying down since not taking b12 and I've also taken magnesium twice per day lately. And I've never had a problem with headaches, migraines, nerve pain in the head or anything until this past month.