One of the quinolones, which has a broad-spectrum antibacterial effect and strong antibacterial activity against most Enterobacteriaceae bacteria such as Escherichia coli, Klebsiella, Proteus, Salmonella, Shigella and Gram-negative bacteria such as Haemophilus influenzae, Legionella pneumophila, Neisseria gonorrhoeae have strong antibacterial activity. It also has antibacterial effects against Gram-positive bacteria such as Staphylococcus aureus, Streptococcus pneumoniae, Streptococcus pyogenes, Mycoplasma pneumoniae, and Chlamydia pneumoniae, but has a poor effect on anaerobic bacteria and Enterococcus.

This product is yellow or gray-yellow crystalline powder; odorless and bitter. Slightly soluble in water, acetone, ethanol, methanol, very soluble in acetic acid.

Suitable for sensitive bacteria:
1. Genitourinary infections, including simple, complicated urinary tract infections, bacterial prostatitis, Neisseria gonorrhoeae urethritis.
2. Respiratory infections, including acute bronchial infections caused by sensitive Gram-negative bacilli and pulmonary infections.
3. Gastrointestinal infection, caused by Shigella, Salmonella, enterotoxin-producing Escherichia coli, Aeromonas hydrophila, Vibrio parahaemolyticus.
4. Typhoid fever.
5. Bone and joint infections.
6. Skin soft tissue infection.
7. Systemic infections such as sepsis.
8. Chronic bronchitis.