TY COLI 5.0 Each gram of powder contains 5,000,000 I.U. of colistin sulphate.

It is a polymyxin antibiotic with bactericidal activity against Gram-negative gastrointestinal infections caused by colistin-susceptible microorganisms like Pseudomonas aeruginosa, E. coli, and Salmonella spp. in calves, pigs, and poultry.