I've had PN about three years now.

Diagnosed as SFN - alcohol/liver disease is the "smoking gun" no other explanation forthcoming despite lots of blood tests and EMG.

It was on and off for a year or so but now progressed to permanent. I get burning mainly in the toe/ball of feet but then for no reason apart from perhaps the temperature (?) it converts to numbness. Also more fatigued that I used to be - but not sure this is related.

I take no painkillers only supplements -not sure they do anything but you have to try.