COLITRAC INJECTION with a powerful formulation of Colistimethate 1MIU is an effective antibiotic injection used for the treatment of serious bacterial infections caused by multidrug-resistant Gram-negative bacteria. It is commonly prescribed for severe infections of the lungs, bloodstream, urinary tract, abdomen, and other complicated infections caused by susceptible organisms such as Pseudomonas aeruginosa, Acinetobacter baumannii, and Klebsiella pneumoniae.