Too high is when the body/patient shows signs it cannot tolerate that level of temperature, so we are again and as usual back to individualisation.
What makes it too high, or OTOH tolerable, are the state of the patient, e.g hydration and underlying pathologies, again individualisation.
Let me tell you my daughter's story when she was 5 years old:
I was working in general medicine for the NHS. We had a local bad epidemic of Mycoplasma Pneumonia, people were hospitalised right and left, after having abundantly coughed on me and my colleagues....I brought the bug home as could be expected although I did not get sick, just "uncomfortable". No problem for my wife and son (individual again) but my daughter started being "subfebrile" (37.6 going up and down) and not really her usual self, cranky and tired, still going to kindergarten though.
For a few weeks I did everything, used everything, no need to make a list, the best indicated remedies did not change anything, herbs, vitamins, you name, I did it, no change.
Until I realised why: her immune system, and mine, always very healthy was "busy" defending her body and preventing the spread of the infection; although the remedies provided some help it could not "defeat the invader" that was a very virulent one.
"Pat" as we say in chess. And I could not stimulate her system more, I tried and it did not work, and fortunately she did not move into a cytokine storm....
I decided that I needed to weaken the aggressor so that her immune system would be able to finish the job. We knew the Mycoplasma was sensitive to Erythromycin; so I went on a "blitzkrieg": I gave her in one go one single daily dose of the antibiotic (3 x the normal dose usually given) and nothing else. Within half an hour, she fell deeply asleep, breathing normally but the perfect textbook picture of Belladonna less the agitation: she was glowing red and irradiating heat....but was calm and restful....so I did not give her Belladonna as I wanted the Mycoplasma cooked....needless to say, neither my wife nor I slept that night, we were constantly monitoring her and making her drink every time she woke up; and no, I did not measure the temperature, I knew that it was high but psychologically we would have freaked out and probably panicked if we knew (I am not Superman....). In the morning, her fever was gone, she was exhausted but feeling well, stayed at home another day and them went back to her usual mischief.
Does that answer your questions?
Not for the faint hearted, definitely...you need "cojones" to dare doing that, but hey, I am nuts, you know that
Joe.
Dr. J. Rozencwajg, NMD. "The greatest enemy of any science is a closed mind".
www.naturamedica.webs.com