I have been taking Neurontin (they said for my anger)for approx. ...

I have been taking Neurontin (they said for my anger)for approx. 5 mos. I only take 300 mg even though I should take a lot more. I also take Paxil 40mg for anxiety, OCD and panic attacks. I have been on Paxil for almost 5 years. The reason I say I should take more Neurontin is because it definitely helps my well-being but I still get terrible anger outbursts. I am not inclined to ask for an increased dosage of Neurontin because there are some side effects that I do not like. The little stuff I can deal with but the two issues that are really bothering me are the feelings of lethargy I get and my short term memory loss/concentration. It seems like the higher dosage I take the worse the effects get. I do not believe that it's the Paxil because I have been on it for so long and the only side effects I seem to have are when I try to get off of it. I would also like to mention that I have tried LOTS of medications, I mean LOTS! None of them have worked successfully. Neurontin is the only one that seems to be helping me control my anger but I can stand feeling sluggish and out of it all day. Suggestions from anyone? Does anyone else take Neurontin for an anger problem? Or, does anyone know of any other meds work just as good w/o the side effects? Please let me know. Thanks!