--body wide burning during the most severe phase of what was apparently a monophasic small-fiber post-infectious molecular mimicry event. It lasted for some years, though the most severe symptoms cropped up in the days after it started on April 12 2003 and plateaued approximately 3-4 months later, then slowly--very slowly--began to recede.

Such an acute onset generally implies an autoimmune or toxic event, though this can happen in some metabolic situations.