Mast Cell Activation Syndrome is new to the medical profession – much newer than ME/CFS or FM. Diagnostic criteria were only proposed about five years ago and because most doctors don’t know about it, it’s rarely diagnosed.
But it can cause all the symptoms in the book and its proponents think it’s much, much commoner than thought. It’s also often associated with POTS, Elhers Danlos Syndrome, Lyme Disease and ME/CFS/FM. Dr. Klimas has called it one the most interesting immune diseases going.
Check it out in