Vision to Quality. Mission to Care. Meroniche Injection Meroniche Injection - 500/1000mg. For IV use only. Meropenem is used to treat a wide variety of bacterial infections. This medication is known as a carbapenem-type antibiotic. It works by stopping the growth of bacteria. This medication is given by injection into a vein as directed by your doctor, usually every 8 hours. Vision to Quality. Mission to Care. Meroniche-SB Injection Meroniche-SB Injection - Meropenem 1g + Sulbactam 500mg. Meropenem is an antibiotic. It works by preventing the formation of the bacterial protective covering which is essential for the survival of bacteria in the human body. Sulbactam is a beta-lactamase inhibitor which blocks the action of enzymes produced by bacteria to inactivate Meropenem . Addition of Sulbactam reduces resistance and enhances the activity of Meropenem against bacteria.