Erythromycin Ophthalmic Ointment Description Erythromycin ophthalmic ointment, USP belongs to the macrolide group of antibiotics. The sterile ophthalmic ointment flows freely over the conjunctiva. Erythromycin base, as crystals or powder, is slightly soluble in water, moderately soluble in ether, and readily soluble in alcohol or chloroform. Erythromycin is an antibiotic produced from a strain. Erythromycin eye ointment is an antibiotic used to treat bacterial eye infections and prevent certain eye infections in newborn babies. Erythromycin Ophthalmic is a prescription medication used to treat Conjunctivitis. Erythromycin Ophthalmic is available under the following different brand names: Ilotycin Erythromycin ophthalmic may cause serious side effects. Stop using erythromycin ophthalmic and call your doctor at once if you have: severe burning, stinging, or irritation after using erythromycin ophthalmic; or signs of eye infection --pain, swelling, severe discomfort, crusting or drainage, eyes more sensitive to light. 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. 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. Erythromycin ophthalmic is an eye ointment used to treat and prevent bacterial eye infections such as pink eye. Erythromycin is a broad-spectrum antibiotic belonging to the macrolide class of antibiotics. Common side effects of erythromycin ophthalmic include minor eye irritation, redness of eye, itching, stinging, burning, skin rashes, and hives. Erythromycin ophthalmic is used to treat bacterial infections of the eye and prevent bacterial infections of the eye in newborn babies. Erythromycin is in a class of medications called macrolide antibiotics. It works by killing bacteria that cause infections. Find patient medical information for Erythromycin ophthalmic (Ilotycin, Romycin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings What is Erythromycin Eye Ointment? Erythromycin ophthalmic ointment is a medication that treats certain bacterial eye infections. It contains the active ingredient erythromycin, which belongs to a group of medications called macrolide antibiotics. Common brand names for this medication include: Ilotycin Ophthalmic Romycin Ophthalmic PremierPro RX Erythromycin Generic versions of this drug are.