Gentacin 0.3% Eye/Ear Drops (8ml) contain Gentamicin Sulfate, an aminoglycoside antibiotic effective against various bacterial infections of the eyes and ears. For eye infections, instill 1-2 drops into the affected eye up to six times daily, or as directed by a healthcare provider. For ear infections, after cleaning the area, instill 2-3 drops into the affected ear 3-4 times daily and at night, or as advised. It's important to use this medication under the guidance of a healthcare professional to ensure proper administration and to monitor for potential side effects.