Gentamicin Sulfate Injection, USP is a sterile, nonpyrogenic solution of gentamicin sulfate in water for injection. It is administered by the intramuscular or intravenous route.
Each milliliter (mL) contains gentamicin sulfate equivalent to 40 mg gentamicin base with sodium metabisulfite 2.9 mg and edetate disodium anhydrous 0.1 mg added as stabilizer, methylparaben 1.8 mg and propylparaben 0.2 mg added as preservatives. Headspace nitrogen gassed. May contain sulfuric acid and/or sodium hydroxide for pH adjustment. The pH is 3.8 (3.0 to 5.5).
Gentamicin is classified as an aminoglycoside antibiotic and is derived from Micromonospora purpurea, an actinomycete.
The chemical name for gentamicin C1A is: 0-3-Deoxy-4-C-methyl-3-(methylamino)-β-L-arabinopyranosyl-(1→6)-0-[2,6-diamino-2,3,4,6-tetradeoxy-α-D-erythro-hexopyranosyl-(1→4)]-2-deoxy-D-streptamine.
Gentamicin Sulfate, USP is chemically designated gentamicin sulfate, a white to buff powder soluble in water. It has the following structural formula: