1600 mg a day is max is what my Neuro told me. She said the same thing increase as I need to. Your still fine. However the other side effects of too much mestinon for me aren't max but just increasing when I'm not used to it. When I went from 60 to 120 at a time it was jittery and some generalized weakeness. It sounds like you are past that anyway, but if you are the 90 right now (pill and a half) then I would prob increase by a half pill at a time until you see how it does. Just a thought. Good luck.

Candi


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