SPL Set ID: 7c752fac-8ec8-49ab-8570-09d2aabbeef0

Loteprednol etabonate and tobramycin ophthalmic suspension is a sterile, multiple dose topical anti-inflammatory corticosteroid and anti-infective combination for ophthalmic use. Both loteprednol etabonate and tobramycin are white to off-white powders. The chemical structures of loteprednol etabonate and tobramycin are shown below. Loteprednol etabonate: Structure: Molecular formula: C 24 H 31 ClO 7 Molecular Weight: 466.95 Chemical name: Chloromethyl 17α-[(ethoxycarbonyl)oxy]-11β-hydroxy-3-oxoandrosta-1,4-diene-17β-carboxylate Or (11β, 17α)-17-[(ethoxycarbonyl)oxy]-11-hydroxy-3-oxoandrosta-1,4-diene-17-carboxylic acid chloromethyl ester Tobramycin: Structure: Molecular formula: C 18 H 37 N 5 O 9 Molecular Weight: 467.51 Chemical name: O-3-Amino-3-deoxy-α-D-glucopyranosyl-(1→4)-O-[2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranosyl-(1→6)]-2deoxystreptamine Each mL contains: Actives: Loteprednol Etabonate 5 mg (0.5%) and Tobramycin 3 mg (0.3%). Inactives: Edetate Disodium, Glycerin, Tyloxapol, Povidone, Water for Injection and Benzalkonium Chloride 0.01% (preservative). Sulfuric Acid and/or Sodium Hydroxide may be added to adjust the pH to 5.5 to 6.2. The suspension is essentially isotonic with a tonicity of 260 to 320 mOsm/kg. loteprednol-structure loteprednol-tobra-structure