Fluoroquinolone antibiotics like cipro, levaquin, (and generally anything ending in -ofloxacin), can cause permanent nerve damage and one of the presentations is demyelination of the nerves
Journal of Antimicrobial Chemotherapy (2003). Full Text Article. PDF File. Karen W. Martin* and Edzard Ernst. Complementary Medicine, Peninsula Medical School, Universities of Exeter and Plymouth, 25 Victoria Park Road, Exeter EX2 4NT, UK