Three-year-old babies with nasal mucosa erosion should seek prompt medical attention to investigate the cause and treat the symptoms.
If you are unable to seek medical attention in time, you can also use warm saline or a very low concentration of light saline at home and gently scrub the erosion surface with a cotton swab or apply a wet compress as appropriate, being gentle and paying attention to your baby’s reaction and not scrubbing too many times to prevent aggravation of the breakage.
After cleaning, use a cotton swab dipped in a little vegetable oil or erythromycin ointment and apply to the erosion surface to relieve the symptoms. It should be noted that erythromycin ointment should not be used frequently for a long time to avoid drug resistance. In case of allergic reactions such as increased redness, swelling, heat and pain, the medicine should be discontinued immediately and the patient should be examined and treated by a hospital in a timely manner, following medical advice.