Tosufloxacin is a

fluoroquinolone A quinolone antibiotic is a member of a large group of broad-spectrum bacteriocidals that share a bicyclic core structure related to the substance 4-quinolone. They are used in human and veterinary medicine to treat bacterial infections, as wel ...

antibiotic. It has a controversial safety profile in relation to other fluoroquinolones. It is associated with severe thrombocytopenia and nephritis, and hepatotoxicity. It is sold in Japan under the brand name Ozex.

References

Fluoroquinolone antibiotics Naphthyridines Pyrrolidines Alpha-keto acids Aromatic ketones {{antibiotic-stub