Hi Karen
there are many here that are or have been on Neurontin (myself included). Captn Deb is another terrific reference. I have been prescribed Neurontin for other issues that afflict me, but as for having it prescribed for AN patients, please try doing a "search" here for "Neurontin" and you should see many reference points/threads.
They started you at the lowest dosage (they dispense in 100 mg capsules)... some side affects are drowsiness and possible weight gain. It is used to help calm down the nerve endings when they are hyper (one use for the med). If you have shooting pain in your face right now, it is very possible they gave it to you to help prevent the nerve endings in your face from misfiring. Neurontin is one of those meds that you do have to wean up and wean off... so, please work with your dr closely. I know many on it and once we get use to it, it seems to work fine. sometimes dosages do have to played with to get it to the level of efficacy.
I hope that helps. Hang in there!
Phyl