tussockgal,
not that surprising that your symptoms of toxemia have returned.
Crises can develop at any time during a prolonged fast. I recall a crisis I had on day 20 (or thereabouts) of my first 25 day fast: chronic nausea/vomiting of bile and other effluent materials, accompanied by a "spitting crisis". Volumes of foul-smelling saliva that had to be spat out. The body will use each and every avenue at its disposal to expel toxins and at any stage of the fast.
Prior to this I had felt relatively well for about a week with no untoward symptoms of detox at all.
This therefore.........
"So, an almost-back to normal tongue with deep tissue and muscle pain (fibro) in both arms from shoulders to fingers, arthritic pain in your fingers; liver unhappy and gallbladder grumbling; the feeling of panic still in all my muscles, for the 2nd day; headache; a feeling of ice in your veins".
.........means that your body has discovered deeper and more profound issues of detox: it is at this point that to break a fast would be a crime against your body and Nature itself.
The body will work its detox methodology in its own inimitable and idiosyncratic way, so what we thought were the beginnings of the end of detox was a false alarm, and your body has dug ever deeper and more profoundly into ridding itself of the effluence at the heart of your health problems.
At this stage of your fast it would be nigh on impossible to be deficient in any nutrients, least of all electrolytes. I have never known or heard of a case in all of my years, where deficiency occurred before the 30 day mark, and even then this was a mild electrolyte deficiency, where that person lived from a virtually processed/junk food diet for decades beforehand.
Your body is most definitely not slowing/calling for a halt to your fast (quite the contrary) but its continuation.
It would be an awful shame to break your fast at this stage as a juice fast (although beneficial) or anything other than water, will only serve to prolong your health problems, and for much longer than would otherwise be the case.
I have witnessed so many cases of fasters who have terminated their fasts prematurely, that results have been very disappointing, and where ultimately some of them recovered only after they eventually resorted to the water-only fast for a sufficient length.
As Paul Bragg stated while fasting: "just grin and bear".
Chrisb1.