Well, I eventually increased my neurontin up to 900 mg, three times per day and it did help. But about a week ago, the pain returned. I can handle it in my arm, but the burning on the top of my head can really be irritating. I have gained quite a bit since being on neurontin. I have tried to cut back a few times, but the burning then returns again

Weirdly, it gets worse as the day progresses. I am going to try to ride this out and see if it gradually lessens as I do not want to increase the neurontin again.
Fouf -- I would not describe my sensations as a sharp pain. Rather, it is a burning, tingling pain that lasts for hours in the same spot.