The differences between aureomycin eye ointment and erythromycin eye ointment are mainly in several aspects such as different ingredients, different scope of application and different side effects: 1. Different ingredients: the main ingredient in aureomycin eye ointment is aureomycin hydrochloride, which belongs to the tetracycline class of antibiotics; the main ingredient of erythromycin is erythromycin, which belongs to the macrolide class of antibiotics; 2. Different scope of application: aureomycin eye ointment is relatively sensitive to Gram-positive bacteria, spirochetes, atypical It is mainly used for the treatment of superficial eye infections and Chlamydia trachomatis infections caused by the above microorganisms; erythromycin is generally sensitive to Gram-positive bacilli, Gram-negative bacteria, Rickettsia, Chlamydia, Spirochetes, Mycoplasma, a few Mycobacterium, Actinomyces, Haemophilus influenzae, Aspergillus, Ameba. It is mainly used for the treatment of blepharitis, conjunctivitis, trachoma and external eye infections caused by the above microorganisms; 3, the side effects are different: the side effects of gentamycin are greater, some patients will feel eye discomfort after use, allergic reactions can occur, manifested as local conjunctival congestion, local itching, etc.; the toxic effect of erythromycin is relatively small, patients generally do not have The toxic effects of erythromycin are relatively small, and patients generally do not experience any obvious discomfort after use. For patients with eye discomfort, it is recommended to go to the hospital for a clear diagnosis and use under the guidance of a doctor, and not to use the drug without authorization to avoid improper use.