My daughter takes Carbatrol but is only 8. If you are having problems have you asked your gynecologist? I worry about problems when she does get her cycle as I've been told that seizures can occur more around that time of the month. Hope you get the answers you need!
Found out today from neuro that it is likely due to that, maybe stress (which I doubt) so we will see. Good luck with your daughter, so far I think it is a good drug and I haven't had any other problems!
carbatrol 
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