It is erythromycin ophthalmic ointment that can be applied inside the eye, not all erythromycin pharmaceutical preparations can be applied inside the eye. Erythromycin ophthalmic ointment is an antibiotic ophthalmic ointment, a topical medication that can usually be used for eye diseases of the eyelids, such as blepharitis, blepharitis, etc., and can also be used for the treatment of conjunctivitis and keratitis. The other more common medication, erythromycin ointment, which is more commonly used in dermatology, is a kind of topical skin medication, because it is more concentrated than erythromycin ophthalmic ointment, and is prone to cause irritation in the eyes if mistakenly applied inside the eyes. If you find that the eyes have uncomfortable symptoms, or to the local hospital eye clinic after consultation, follow the doctor’s instructions to use erythromycin ophthalmic ointment.