I have had previous migraine episodes that were accompanied with numbness in my hands, arms, face and legs. Usually they lasted anywhere from hours to days. I did have an episode that lasted longer than this and became concerned that it was something more severe. I saw a specialist and found that I have probably had a stroke due to the loss of sensation on the right side of my body.
So, my advice to you would be to see your doctor just in case there is something more "important" going on and if not, at least you know.
Also, numb/tingling and loss of words (best way I can describe) are all popular side effects of TOPAMAX....