I was prescribed 3000mg Neurontin per day as a switch out from 1800mg per day of Lyrica. My pain doc feared for my liver, the reason for the switcharoo. Neurontin did help as did Lyrica, but during the cocktail of meds I was prescribed, I could not truly separate out which caused most of the fog of the mind, the Neurontin, the Morphine, the Restoril, or the others, thus, all I can add is that the titration down of Lyrica as we ramped up Neurontin did prove a lasting help in the big picture until stim came along, that is......

Mark56