I was just prescribed Neurontin for PLMS (periodic limb movements...

I was just prescribed Neurontin for PLMS (periodic limb movements in sleep) - basically, I twitch all night long. I also tend to experience side effects from most medications. I'm not on anything else except Prevacid for GERD and xanax as needed (about 1x/month). I also take a supplement for my joints, and 5HTP for mild depression/anxiety (works wonders!). Can anyone offer some advice? Anyone else take Neurontin for RLS or PLMS? Sounds like most people posting here are taking many more medications than I, &/or have many medical issues. Was wondering what to look out for. Can anyone list some basic, common side effects, and those more serious to look out for? Thanks!