Navel infection, or umbilicitis, can be treated with erythromycin ointment, which needs to be used as prescribed by a doctor. Umbilicitis is an inflammation caused by bacterial infection of the umbilicus, which can be characterized by redness and swelling of the umbilical skin and discharge. Commonly infected bacteria are Staphylococcus aureus, hemolytic streptococcus, Escherichia coli, Pseudomonas aeruginosa and so on. Erythromycin ointment is used for suppurative dermatoses caused by sensitive bacterial infections such as impetigo, small burns, acne vulgaris, and infections of ulcerated surfaces. It is contraindicated in people who are allergic to the product, and the adverse reactions are irritation symptoms, allergic reactions. Therefore, the umbilical cord infection belongs to the person who is sensitive to erythromycin bacterial infection, you can use erythromycin ointment treatment, but should be under the guidance of the doctor reasonable use of medication. If you can not use erythromycin ointment, navel infection patients can also follow the doctor’s instructions to change to mupirocin ointment, fusidic acid ointment and other antibiotic-containing ointment instead.