tobramycin

noun
to·bra·my·cin | \ ˌtō-brə-ˈmīs-ᵊn \

Medical Definition of tobramycin 

: a colorless water-soluble antibiotic C18H37N5O9 isolated from a soil bacterium of the genus Streptomyces (S. tenebrarius) and effective especially against gram-negative bacteria

Note: When used in combination with loteprednol to treat inflammatory conditions of the eye, tobramycin is marketed under the trademark Zylet.

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