@771
Sorry to hear you are also suffering. Did you ever get MRIs of your cervical and lumbar spine to check for compressed nerves? Did you have a neurologist do an EMG/nerve conduction study of upper and lower limbs?

There really isn’t a cure for small fiber neuropathy and the best they can do is find the cause and treat that (like diabetes, vitamin deficiencies/toxicities, stopping alcohol/smoking since they are toxins to the body, reviewing medications to see if they are the cause, etc.). Chemotherapy can also cause neuropathy. Did you have extensive bloodwork to see if there was anything flagged as abnormal? I am assuming you did if your neuropathy was classified as idiopathic.

Have you tried taking alpha Lipoic acid, acetylene l carnitine and magnesium supplements? They do help reduce some of my symptoms. Seeing a dietitian/nutritionist can help review diet/supplements to suggest changes that may help and physical therapy to help improve blood circulation and modify exercise due to your pain.