If you want to delve deeper, here is what I consider to be the best review in a scientific journal of the etiology of a possible "flox syndrome".   It is called:   Musculoskeletal complications of fluoroquinolones: guidelines and precautions for usage in the athletic population.   Paste that title into your search engine. The abstract from Pubmed will show first, but it will not be hard to find the full text PDF on a website. The full text article is so widespread in the flox community it