Hi Bex,
I don't really know much about Iodine but this could be adrenal related?

From http://www.stopthethyroidmadness.com/adrenal-info/symptoms-low-cortisol/

The symptoms of low cortisol are:

*shaky hands; shakiness
*diarrhea
*bad palps
*feeling of panic
*weakness
*inability to handle stress
*inability to handle interactions with others
*inability to focus
*rage or sudden angry outbursts
*emotionally hyper sensitive
*overreacting
*highly defensive
*feeling paranoid
*exacerbated reactions to daily stress
*no patience
*easily irritated
*mild to severe hypoglycemic episodes
*taking days to recover from even minor stress
*taking days to recover from a dental visit
*flu-like symptoms
*headache
*all over body ache
*super-sensitive skin
*extreme fatigue
*scalp ache
*hyper feeling
*jittery
*clumsy (drop things, bump into things)
*confusion
*suddenly feel extremely hungry
*low back pain
*dull
*cloud-filled head (happens when this patient is due for a next cortisol dose)
*jumpiness
*muscle weakness
*”air hunger”
*dizziness
*light headedness
*motion sickness
*coffee putting patient to sleep
*vomiting even running up the slightest incline
*almost passing out every time patient gets up
*dark circles under my eyes
*waking up in the middle of the night for several hours
*difficulty falling asleep
*frequent urination
*IBS symptoms
*worsening allergies

Have you been taking your temps?

This is good site for iodine: http://www.iodine4health.com

From that site, this is what Andy has to say about Iodine and Mercury, they have taken quotes from the FDC mailing list and also his book:

http://www.iodine4health.com/special/metals/cutler_metals.htm

Cutler says that "Iodide does not help you detoxify any heavy metals." I'm not sure if this would also mean that it wouldn't move the mercury around as well? In other words your reaction to the iodine may not be metal related so it may be adrenal?

Cara