Stability study of cefpiramide combined metronidazole injection
[Abstract] Objective To explore the compatible stability of cefpiramide sodium with metronidazole injection.Methods At the room temperature(20 ℃) prepared solution of cefpiramide sodium in metronidazole injection was made by referring to the clinical prescription in standing-time 0,0.5,1,2,4 h.A dual ultraviolet spectropotometry was design to study on the change of content after compatibility of metrinidazole and cefpiramide sodium and the change of the compatible liquid apparent an its pH were observed on absorption peak at 273 nm,320 nm and 359.5 nm.Results There were no evident changes in apparent,pH,content and absorption curves within 4 h.Conclusion Cefiramide sodium is compatible with metronidazole injection in this experiment.