hello my 8 year old son also takes topamax but his is for a seizure disorder. i was wondering if maybe you have ever heard of it causing the inability to realese sweat??every sense my son haves taking it he will get over heated and turn really red but no matter how hot he gets he does not sweat.he does also take keppra his dosage of meds is pretty high he takes a total of 400 mgs of topamax and 1125 mlg of keppra a day.if you or anyone have any at all info on these meds i would greatly appreciate it thanks