Gentamicin sulfate 0.3%; contains benzalkonium chloride. Gentamicin, an aminoglycoside, binds to the prokaryotic ribosome, inhibiting protein synthesis in susceptible bacteria. It is bactericidal ...

Proparacaine HCl 0.5%; contains benzalkonium chloride. For procedures in which a topical ophthalmic anesthetic is indicated: corneal anesthesia of short duration (eg, tonometry, gonioscopy ...