My dr switched from ativan to xanax on thurs,i have felt ill since and im thinking i might go back to ativan,but i have already taking a xanax this morning 1/2 mg at 430 am and 1/2 mg at 7 am,,,i was suppose tot ake a whole one,wondering how long i hould wait to try a ativan...any idess,my legs are week and i feel like i couold pass out but i get this way,but never week legs im kinda scared but was in ER yesterday and the old gripey dr told me its all emoional