To highlight this important part of the research process, we asked research scientists to speak about their own experiences with failure. Research scientist explains why considers non-significant and negative studies to be important parts of publication history. Licensed data by USFDA Levofloxacin, but pregnancy category risk not ruled out. Levofloxacin identified by IUPAC (3S)-9-Fluor-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]chinolin-6-carbonsäure, by the end of 6- carboxylic acid group. Legal status is general prescription only. Levofloxacin was approved for medical use in the United States in 1996. It is on the world health organization's list of essential medicines, the most effective and safe medicines needed in a health system. It is available as a generic medication. The wholesale cost in the developing world is about 0.44 to 0.95 USD per week of treatment. For patients with these conditions, OH should be inherent impurity seen in levofloxacin. Levofloxacin, sold under the trade names Levaquin among others, is an antibiotic. It is used to treat a number of bacterial infection including acute bacterial, sinusitis, Pneumonia and urinary infection, chronic prostatitis.