Whether the elderly can take erythromycin for glansitis is related to the pathogen that triggers glansitis and the existence of contraindications to the use of medication, which should be analyzed in the light of the actual situation of the patient. The cause of glans is more complex, and is related to bacteria, candida, trichomonas and other pathogenic infections, as well as trauma, allergies and other factors. And erythromycin is a broad-spectrum antibiotic, for most bacteria have inhibition, killing effect. Especially for sensitive bacteria, Chlamydia trachomatis and other causes of glans, there is a certain degree of efficacy, you can consider following the doctor’s instructions for application. For other pathogens or causes of glans, the application of this drug is not appropriate. In addition, for erythromycin and other macrolides allergy, this drug should be prohibited. The presence of contraindications should also be clarified if this drug can be applied to elderly patients. The patient’s condition, etiology and contraindications to the use of different drugs, the specific use of the program, must be examined after the doctor’s advice.