I have been to see my gp several times now with the following symptoms, but they don't seem to understand what is going for me?

I have - shaky feeling inside, feeling weak and faint, palpitations, tummyache, consitpation, mental confustion, raised blood sugar, high cholestral, headache, 'feeling wobbly' inside, fatigue, and very hungry.

I have have greaves disease treated with iodean and now by thyroxin 150mg perday