It is VERY DANGEROUS to cold-turkey off of NEURONTIN.

You could have seizures ~ this is something that you should NEVER do -- run out!
You need to be seen by a doctor or perhaps go to the ER. Don't wait until you HAVE a seizure!! If you were on that high of a dosage, this could be very dangerous.
Try to get in to any doctor NOW -- or go to the ER and explain what happened. You need to WEAN OFF of Neurontin -- they need to give you enough to be able to do this. Please let us know how you come out!! god bless. Hugs, Lee