I'm about exactly one year into my experience with PN. Started with pain in the toes and has continued to progress. Over the last 2-3 weeks, it's progressed into muscle weakness (shoulders and forearms are most notable) and various twitching muscles (again, mostly arms).

No diagnosed cause for any of this (i.e. still idopathic), but we've done lots of tests. Blood tests (including a repeat of a couple earlier ones) today and neck/spine MRI on Monday. Diabetes and pre-diabetes is eliminated as a possibility. Fine on B12, etc.

Questions for similar people:

Has anyone else had mostly pain-related PN progress into muscle weaknees?

If so, do they believe they've found the cause and/or what did they do about it?

Did the weakness ever stop progressing?

Thanks, as always.