I am taking Neurontin for Bipolar II. I have had great results t...

I am taking Neurontin for Bipolar II. I have had great results thus far going into my 3rd month of being on it. I am however, taking 1200mg in the morning and night. I am experiencing brainfog, but I feel more stable than in my whole life (42). I should add that I am taking 37mg of Paxil as well. So, what are the side effects of Neurontin? Long term and short term! I had no idea this drug was being taken for other health issues than seizures.