| Re: what tests to ask for
If it were me, I'd start to keep a log of what I was eating and when I was feeling odd. Your sister may start to see some patterns relating her eating habits with her shakiness and other symptoms. It could be that she is eating too much sugar during the day and then having blood sugar lows shortly after that...and eating would make her feel better. If your sister is overweight and has a poor diet then this would be the first thing I would consider. It doesn't sound like she's diabetic if her fasting reading was normal but if you don't find anything by keeping track of her diet then she may want to try a fasting glucose test at the doctor. That will tell her if she's insulin resistant and that could be causing some of her symptoms. Hope that helps.
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