Hi there Eoto ~ nice to have you here! I don't know how long you've been running high, or how high exactly, but maybe the horrible feelings that you've been getting at around 240 aren't symptoms of anxiety. They sound to me like symptoms of a hypo. If your body is used to being at 380 for example, then your body could be feeling a 240 as a "low." When your body readjusts to normal blood sugar levels, you won't feel dizzy, sweaty etc. at 240.
