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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 ]
Neomycin/polymyxin B/hydrocortisone, sold under the brand Otosporin among others, is a medication used to treat otitis externa (swimmer's ear) and certain eye disorders. [ 2 ] [ 3 ] It consists of the antibiotics neomycin and polymyxin B , and the steroid hydrocortisone . [ 3 ]
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 ]
Neomycin B is the most active component in neomycin followed by neomycin C and neomycin A. Neomycin A is an inactive degradation product of the C and B isomers. [29] The quantities of these components in neomycin vary from lot-to-lot depending on the manufacturer and manufacturing process. [30]
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 ...
The active ingredients are polymyxin B, bacitracin and occasionally garamycin or gramicidin. Though Polysporin is marketed in the US, it holds a much smaller market share than in Canada and acts as a substitute to Johnson & Johnson 's Neosporin for those allergic to the antibiotic neomycin .
In most countries, neomycin and chloramphenicol eye drops are used, instead. [8] [9] However, newborns can develop neonatal conjunctivitis due to reactions with chemicals in these common eye drops. [10] A blocked tear duct may also be another noninfectious cause of neonatal conjunctivitis. [citation needed]
Eye, ear or bladder infections; usually applied directly to the eye or inhaled into the lungs; rarely given by injection, although the use of intravenous colistin is experiencing a resurgence due to the emergence of multi drug resistant organisms. Kidney and nerve damage (when given by injection)