[ Name of veterinary drug ] Generic name: Ampicillin sodium for injection English :Ampicillin Sodium for Injection Chinese Pinyin :Zhusheyong Anbian Xilinna [Main ingredients] Ampicillin sodium [Properties] This product is a white or quasi-white powder or crystalline powder. [ Pharmacological effects ] Pharmacodynamics Ampicillin is a β-lactam antimicrobial agent with a broad spectrum of antibacterial effects. It is sensitive to penicillinase, so it is ineffective against penicillin-resistant Staphylococcus aureus. It has a strong effect on gram-negative bacteria such as Escherichia coli, Proteus, Salmonella, Haemophilus, Brucella and Pasteurella, but these bacteria are easy to produce drug resistance. It was not susceptible to Pseudomonas aeruginosa. Pharmacokinetics Ampicillin is rapidly absorbed after injection, and the blood concentration of ampicillin is high, but it also decreases rapidly. The initial concentration of intramuscula…