This information is typically provided in the published drug facts for each medication.
https://pubmed.ncbi.nlm.nih.gov/2686432/
https://www.rxlist.com/cipro-drug.htm#dosage
Studies provide further info.
> or what doseage that occurs at or what causes this reaction in the subpopulation?
It's through trials they discover the incidence of side effects and appropriate dosages for maximum therapeutic benefit.
> You don't and just wave that off, that's why it's flippant.
Nobody is waving anything off when providing perspective.
This information is typically provided in the published drug facts for each medication.
https://pubmed.ncbi.nlm.nih.gov/2686432/
https://www.rxlist.com/cipro-drug.htm#dosage
Studies provide further info.
> or what doseage that occurs at or what causes this reaction in the subpopulation?
It's through trials they discover the incidence of side effects and appropriate dosages for maximum therapeutic benefit.
> You don't and just wave that off, that's why it's flippant.
Nobody is waving anything off when providing perspective.