tobramycin

noun

to·bra·my·cin ˌtō-brə-ˈmīs-ᵊn

: 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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“Tobramycin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/tobramycin. Accessed 7 Jul. 2026.

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tobramycin

noun

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