Hi. For idiopathic small fiber neuropathy, I am prescribed:

Gabapentin 600 mg 3X

Nucynta 50 mg 4X

Nucynta ER (extended release) 100 mg 2X

Nucynta is a combination of opiod and norepinephrine reuptake inhibitor

My pain is very well-managed with these meds.

I hope you find a way…