Erythromycin ointment can be used for newborns. Because some newborns are infected with chlamydia when they pass through their mother’s birth canal, they will have more eye droppings, red eyes, and even chlamydial pneumonia. At this time, parents can give their children erythromycin ointment to dot their eyes, because erythromycin belongs to the macrolide class of drugs, for Chlamydia trachomatis has obvious therapeutic effect, each time to dot 2-3 drops on it, the application of about a week children red eye symptoms will be significantly improved, so, newborns can apply erythromycin ointment. However, it must be clear that the child is caused by Chlamydia trachomatis infection, if it is caused by viral infection or bacterial infection, the effect of applying erythromycin ointment is not ideal, you can apply other anti-viral or anti-bacterial ointment for topical application.