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KEGG. D02531. (verify) Neomycin/polymyxin B/bacitracin, also known as triple antibiotic ointment, is an antibiotic medication used to reduce the risk of infections following minor skin injuries. [1] [2] It contains the three antibiotics neomycin, polymyxin B, and bacitracin. [1] It is for topical use.
Neomycin comes in oral and topical formulations, including creams, ointments, and eyedrops. Neomycin belongs to the aminoglycoside class of antibiotics that contain two or more amino sugars connected by glycosidic bonds . Neomycin was discovered in 1949 by microbiologist Selman Waksman and his student Hubert Lechevalier at Rutgers University.
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]
As bacitracin zinc salt, in combination with other topical antibiotics (usually polymyxin B and neomycin) as an ointment ("triple antibiotic ointment," with the brand name Neosporin), it is used for topical treatment of a variety of localized skin and eye infections, as well as for the prevention of wound infections. A non-ointment form of ...
Polymyxin B1, in turn, comprises several isomers, like isoleucine-polymyxin B1 and B1-1. The major impediment in the purification and isolation of one isomer is due to the minimal structural differences between Polymyxin B1 and B2, differing only in one carbon at the 6th position of the fatty acyl side chain linked to the D-Phenylalanine of the ...
Staphylococci spp. are a genus of gram positive cocci of 0.5 - 1 μm diameter. [citation needed] Staphylococcus pseudintermedius is a non-motile and non-spore forming, facultatively anaerobic bacterium. [citation needed] It appears primarily as grape-like clusters morphologically, but can also be seen as individual or paired cocci.