This product is a brain metabolism improving drug, which is a cyclic derivative of r-aminobutyric acid. It has the effect of resisting brain function damage caused by physical and chemical factors. It can promote ATP in the brain, promote acetylcholine synthesis and enhance the conduction of nerve excitement, and has the effect of promoting brain metabolism. It can resist brain function damage caused by physical and chemical factors. It has an improving effect on retrograde hyperactivity caused by hypoxia. It can enhance memory and improve learning ability.

As a histamine H1 receptor antagonist, this product can counteract the capillary dilation caused by allergic reactions, reduce the permeability of capillaries, and relieve wheezing caused by bronchial smooth muscle contraction. This product has a long-lasting antihistamine effect and also has a significant central inhibitory effect, which can increase the effects of anesthetics, analgesics, hypnotics and local anesthetics. This product is mainly metabolized in the liver.

This product is one of the ingredients of the Chinese medicine bezoar. As an endogenous amino acid in the human body, this product is a central inhibitory transmitter that can regulate the excitability of nerve tissue and body temperature. Therefore, it has antipyretic, sedative, analgesic, anti-inflammatory, anti-rheumatic, and anticonvulsant effects. In addition, it can improve the body's nonspecific immune function.

It can inhibit platelet aggregation and prevent thrombosis. It can also counteract vascular damage caused by 5-hydroxytryptamine and bradykinin, increase capillary resistance, reduce capillary permeability, and prevent edema caused by increased vascular permeability.

This product is a fluoroquinolone antibacterial drug with a broad-spectrum antibacterial effect, especially high antibacterial activity against aerobic Gram-negative bacteria. It has good antibacterial activity against the following bacteria in vitro: most bacteria of the Enterobacteriaceae family, including Citrobacter, Enterobacter cloacae, Enterobacter aerogenes and other Enterobacter species, Escherichia coli, Klebsiella, Proteus, Salmonella, Shigella, Vibrio, Yersinia, etc. Norfloxacin also has antibacterial activity against multi-drug resistant bacteria in vitro. It also has good antibacterial effects on penicillin-resistant Neisseria gonorrhoeae, Haemophilus influenzae and Moraxella catarrhalis. Norfloxacin is a bactericide that acts on the A subunit of bacterial DNA helicase, inhibiting DNA synthesis and replication, leading to bacterial death.