Learn about erythromycin eye ointment usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. What is erythromycin ophthalmic? Erythromycin is an antibiotic that fights bacteria. Erythromycin ophthalmic (for the eyes) is used to treat bacterial infections of the eyes. Erythromycin ophthalmic may also be used for purposes not listed in this medication guide. Includes Erythromycin (Ophthalmic) indications, dosage/administration, pharmacology, mechanism/onset/duration of action, half-life, dosage forms, interactions, warnings, adverse reactions, off-label uses and more. Erythromycin ophthalmic is an eye ointment used to treat and prevent bacterial eye infections caused by susceptible organisms such as pink eye and others. Erythromycin is a broad-spectrum antibiotic belonging to the macrolide class of antibiotics which inhibit bacterial growth (bacteriostatic). Erythromycin ophthalmic preparations are used to treat infections of the eye. They also may be used to prevent certain eye infections of newborn babies, such as neonatal conjunctivitis and ophthalmia neonatorum. Overview: Erythromycin ophthalmic is an eye ointment used to treat and prevent eye infections caused by certain bacteria. It is an antibiotic that stops certain bacteria from growing. Erythromycin Ophthalmic Ointment package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology.