Question for all you knowledgeable folks from a newbie: Is it normal for Small Fiber Neuropathy to progress from no symptoms to high level of pain, tingling, major symptoms within 2 months?

I did notice a tiny problem with both toes when sheets touched them about 6 months ago (toes felt weird), but on 1/4/11 had pedicure and had pain in entire procedure. Been treated by podiatrist since then and he did a skin biopsy on 2/1 which showed 3.4 fibers (positive for moderate neuropathy). Now one month later symptoms are much worse, and now include some motor functions including overall unsteadiness on feet (using a cane to help). Getting nerve conduction test next week.

I am a 49 year old female, diagnosed as Type 2 diabetic 9 years ago, but sugar levels have been in controlled range always. I know that diabetic neuropathy is usually large fiber, not small fiber. I also have Hypothyroidism for 20 years and took statins for 20 years. In fact, Dr. increased my pravastatin last year - doubled dose. So I know any of those things could be the cause of the SFN.

Does it matter what the cause is?

Help with both questions would be appreciated!

Brenda
Atlanta, Georgia