tests ruled out Diabetes, Thyroid issues, low
B12, anemia, Lyme disease, HIV, Lupus, celiac, kidney disease, electrolyte imbalances, high <span style = 'background-color: #dae8f4'>blood</span> <span style = 'background-color: #dae8f4'>pressure</span>
/cholesterol etc. The only thing that was abnormal was my flare up of Epstein Barr.
You are right, it is frustrating but I have suffered (at least with the neurogenic bladder) for quite some time so I suppose I should stop trying to avoid finding out the cause...