Polymyxin B/trimethoprim is
indicated in the treatment of surface ocular bacterial infections, including acute bacterial conjunctivitis, and blepharoconjunctivitis, caused by susceptible strains of the following microorganisms:
Staphylococcus aureus,
Staphylococcus epidermidis,
Streptococcus pneumoniae,
Streptococcus viridans,
Haemophilus influenzae, and
Pseudomonas aeruginosa. ==References==