Just FYI regarding Levaquin.

There are some posts in the
PN Tips, Resources, Supplements & Other Treatments sub-forum
on the ~Medications That May Cause Peripheral Neuropathy thread.

This is one example -
http://neurotalk.psychcentral.com/post661103-2.html
Fluoroquinolone antibiotics~ Cipro, Levaquin, Avelox and others