Norfloxacin (also known as Noroxin, Fulgram), alias: cyclamate, norfloxacin, rifle. Its chemical name is 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid. This product is a third-generation quinolone antibacterial agent that blocks the DNA gyrase of pathogenic bacteria in the digestive tract, inhibits bacterial DNA replication, and inhibits bacteria. It is a commonly used medicine for treating intestinal dysentery. However, this drug has a delayed effect on the formation of bones in minors and affects development. Therefore, it is forbidden for minors to take it.

This product is a fluoroquinolone antibacterial agent with broad-spectrum antibacterial activity, especially for aerobic gram-negative bacilli, and has good antibacterial activity against the following bacteria in vitro: most bacteria of Enterobacteriaceae, including tannic acid Enterobacter, Escherichia coli, Klebsiella, Proteobacteria, Salmonella, Shigella, Vibrio, Yersin, etc. of Bacillus, Enterobacter cloacae, Enterobacter cloacae, etc. Norfloxacin also has antibacterial activity against multi-drug resistant bacteria in vitro. It also has a good antibacterial effect on penicillin-resistant Neisseria gonorrhoeae, Haemophilus influenzae and Moraxella catarrhalis. Norfloxacin is a fungicide that causes bacterial death by inhibiting DNA synthesis and replication by acting on the A subunit of bacterial DNA helicase.