Polytrim

Polymyxin B, sold under the brand name Poly-Rx among others, is an antibiotic used to treat meningitis, pneumonia, sepsis, and urinary tract infections.[1] While it is useful for many Gram negative infections, it is not useful for Gram positive infections.[1] It can be given by injection into a vein, muscle, or cerebrospinal fluid or inhaled.[1] The injectable form is generally only used if other options are not available.[2] It ... [wikipedia]