Use The Tobrex preparation is used to treat infections of the eyes and their adnexa caused by bacterial strains sensitive to tobramycin. Such infections include blepharitis, conjunctivitis, blepharoconjunctivitis, keratoconjunctivitis, keratitis, iridocyclitis, dacryocystitis. The preparation is also used for the prevention of infectious complications after ophthalmic surgical interventions. How to take In case of a mild infectious process, the preparation is instilled 1-2 drops into the conjunctival sac of the affected eye (or eyes) every 4 hours. In case of an acute severe infectious process, the preparation is instilled every 30-60 minutes, reducing the frequency of instillations as the inflammation decreases. Contraindications The main contraindication to the use of Tobrex is hypersensitivity to its components.