Porphyria can cause neuropathies. There are other symptoms with it, abdominal pain, various skin eruptions, which you do not mention.
http://www.mayoclinic.com/health/por...CTION=symptoms
One common cause of autonomic neuropathy is impaired glucose tolerance. This is the beginning of pre-diabetes, and shows up as elevated INSULIN fasting levels. Blood sugars are typically normal at fasting, or show a reactive hypoglycemia.
There are studies showing that diabetic neuropathies begin before the frank diabetes with elevated blood sugar results.
http://neurotalk.psychcentral.com/thread158275.html
many doctors do not know this. So please check this link out carefully.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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