I have been on Lamictal now for almost 3 months for bipolar. I'm...

I have been on Lamictal now for almost 3 months for bipolar. I'm still not sure if it is helping or not. My husband says I seem better, but I feel almost the same as before if not worse. Has anyone noticed any major changes in their menstrual cycle? I'm on the pill and it would usually last 4-5 days with moderate bleeding. Now I get more annoying cramps than before but my period only lasted 2 days and it was more like spotting than a period. This makes me nervous, but my doctor said that it is more likely the risperdal that I had taken for a month when I also started taking the lamictal, but I don't agree. I recently went up to 200mg (1 morning, 1night). The morning one knocks me out but the night one has been keeping up!? I also feel less coordinated (hard to balance, knocking stuff down, klutzy). Also, it has been hard to put words together and recall correct information. Now I have to say" I think I heard or I think I remember". If I really need to remember something I have repeat it or really concentrate on the information. I used to not have to do that. Another thing I've noticed lately is hand and knee pain. Makes it difficult exercise to lose the 20 lbs I've gained. I don't know, personally I think I will give it one more month and if I still feel the same, I'm going off of it and looking into natural alternatives.