Metronidazole Injection can be used in the treatment of anaerobic infections. It is mainly given as an intravenous drip and the exact dosage is related to body weight, not age. Generally, Metronidazole Injection can be given as an intravenous drip. The usual dosage is 15mg/kg (1g for 70kg adults) of body weight for the first time of intravenous administration and 7.5mg/kg of body weight for maintenance, administered intravenously every 6-8 hours. This product is mainly used in the treatment of anaerobic bacterial infections, when the patient exists anaerobic bacterial infections, you can choose the metronidazole injection treatment under the guidance of a professional physician, and strictly in accordance with the dosage application. Metronidazole injection may have adverse reactions in about 15-30% of cases, among which digestive reactions are the most common, such as nausea and vomiting, loss of appetite, abdominal cramps and so on. Neurologic symptoms mainly include dizziness and vertigo, limb numbness, and sensory abnormalities. It is recommended to be contraindicated in patients with active central nervous system disorders and blood disorders. Contraindicated in pregnant and lactating women.