This product is an aromatic propionic acid derivative and a non-steroidal anti-inflammatory analgesic. In addition to inhibiting cyclooxygenase, this product also has a certain effect of inhibiting lipoxygenase and reducing bradykinin, thereby reducing the pain sensation at the site of inflammation and injury. Because bradykinin and prostaglandins can cause pain together. Bradykinin can also cause uterine contraction, so this product is used for dysmenorrhea, mainly by inhibiting bradykinin, thereby inhibiting uterine contraction and analgesia to achieve therapeutic effects. This product also has a certain central analgesic effect.

Quinolone antibacterial drugs inhibit bacterial DNA helicase and have a broad-spectrum antibacterial effect. They have strong antibacterial activity against Enterobacter bacteria such as Escherichia coli, Klebsiella, Proteus, Shigella, Salmonella typhi, etc., as well as influenza bacillus and Neisseria. They also have certain antibacterial effects on Staphylococcus aureus and Pseudomonas aeruginosa. They have only mild effects on pneumococci, various groups of streptococci and enterococci.

Pefloxacin mesylate is a quinolone antibacterial drug, and its mechanism of action is to inhibit bacterial DNA helicase. It has a broad-spectrum antibacterial effect, and has strong antibacterial activity against Enterobacter bacteria such as Escherichia coli, Klebsiella, Proteus, Shigella, Salmonella typhi, etc., as well as influenza bacillus, Neisseria, etc. It also has a certain antibacterial effect on Staphylococcus aureus and Pseudomonas aeruginosa. It has only a mild effect on pneumococci, various groups of streptococci and enterococci.