Gentalek Injection is used for Bacterial infections, Treatment of serious bacterial infections caused by pseudomonas aeruginosa, Proteus species, Escherichia coli, Klebsiella species, Enterobacter species, Serratia species, Citrobacter species and staphylococcus species, Gynecological infections and other conditions. Gentalek Injection may also be used for purposes not listed in this medication guide.