Tobramycindrug info
tobramycin 0.003 MG/MG Ophthalmic Ointment [Tobrex]
What it is used for
TOBREX ® (tobramycin ophthalmic ointment) 0.3 % is a topical antibiotic indicated in the treatment of external infections of the eye and its adnexa caused by susceptible bacteria. Appropriate monitoring of bacterial response to topical antibiotic therapy should accompany the use of TOBREX (tobramycin ophthalmic ointment) 0.3%. Clinical studies have shown tobramycin to be safe and effective for use in children.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 16, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
TOBREX ® (tobramycin ophthalmic ointment) 0.3% is a sterile topical ophthalmic antibiotic formulation prepared specifically for topical therapy of external ophthalmic infections. Each gram of TOBREX (tobramycin ophthalmic ointment) 0.3% contains: Active: tobramycin 0.3% (3 mg).
Preservative: chlorobutanol 0.5%.
Inactives: mineral oil, white petrolatum. Tobramycin is a water-soluble aminoglycoside antibiotic active against a wide variety of gram-negative and gram-positive ophthalmic pathogens. The chemical structure of tobramycin is: Molecular Formula: C 18 H 37 N 5 O 9 Molecular Weight: 467.52 g/mol Chemical Name: 0-{3-amino-3-deoxy-α-D-gluco-pyranosyl-(1→4) }-0-{2,6-diamino-2,3,6-trideoxy-α-D-ribohexo-pyranosyl-(1→6) }-2-deoxystreptamine. chemical structure of tobramycin
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 16, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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