Hi Desi,
That is really quite some increase in Neurontin. I imagine that some people may tolerate a sudden tripling of the dose but I would suspect you may have felt a lot better if it had been titrated with a little more patience
If you slept for such a long tiime in one position in bed there is a possibility the extra swelling could be dependent oedema (just as legs will swell if left dangling down for too long)
Please don't panic about spread, it maybe something else completely.
Fingers are crossed for you
Please take care
Tayla