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bacitracin

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.03 sec.
bacitracin (băs'ĭtrā`sĭn), antibiotic antibiotic, any of a variety of substances, usually obtained from microorganisms, that inhibit the growth of or destroy certain other microorganisms.

Types of Antibiotics


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 produced by a strain of the bacterial species Bacillus subtilis. It is widely used for topical therapy such as for skin and eye infections; it is effective against gram-positive bacteria, including strains of staphylococcus that are resistant to penicillin penicillin, any of a group of chemically similar substances obtained from molds of the genus Penicillium that were the first antibiotic agents to be used successfully in the treatment of bacterial infections in humans.
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 (see Gram's stain Gram's stain, laboratory staining technique that distinguishes between two groups of bacteria by the identification of differences in the structure of their cell walls.
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). Bacitracin is toxic to humans and is no longer used internally.
bacitracin [‚bas·ə′trās·ən]
(microbiology)
A group of polypeptide antibiotics produced byBacillus licheniformis.


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Among the antibiotics used are ampicillin, bacitracin, erythromycin, lincomycin, virginiamycin, and tetracycline (Food and Drug Administration 2004), some of which are important in human clinical medicine.
Table 1 Agents that have been shown to be ototoxic Topical antibiotics All aminoglycosides (amikacin, gentamicin, kanamycin, streptomycin, and tobramycin) Chloramphenicol Polymyxin B Topical combinations Polymyxin/neomycin/hydrocortisone Ticarcillin/clavulanate Systemic antibiotics All aminoglycosides Amphotericin B Bacitracin Chloramphenicol Macrolides (azithromycin, clarithromycin, erythromycin) Vancomycin?
Among the healthy quickies are Q-tips Treat&Go, individually wrapped cotton swabs dipped in Bacitracin antibiotic ointment for cuts and scrapes, plus two aimed at dental hygiene.
 
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