Erythromycin ophthalmic ointment does not affect pregnancy after applying to the nasal cavity, you can prepare for pregnancy normally. Erythromycin eye ointment’s main ingredient is erythromycin, and erythromycin belongs to macrolide antibiotics, it is a relatively safe medication during pregnancy, belongs to the B grade of medication, there is no obvious adverse effect on the growth and development of the fetus, and erythromycin ophthalmic ointment coated with nasal belongs to the local medication, the dosage is small, and the body absorbs less, so there is generally no special effect, you can be a normal preparation for pregnancy and pregnancy after the use of medication. Erythromycin ophthalmic ointment is suitable for trachoma, conjunctivitis and other external eye infections, adverse reactions include eye pain, vision changes, persistent redness and other allergic reactions, contraindications are not clear. However, it is generally not commonly used in the nasal mucosa, it is recommended to ask the doctor and follow the doctor’s instructions for medication. Erythromycin ophthalmic ointment applied to the nasal cavity mostly does not affect pregnancy, you can prepare for pregnancy according to the plan, but erythromycin ophthalmic ointment is generally not used for nasal mucosa, it is recommended to ask your doctor before continuing to use.