Levofloxacin eye drops should not be used for a long time. The drug can be stopped after 2 days of symptom relief, and should be replaced with other drugs if no improvement is seen after 1 week of use. Levofloxacin eye drops is a broad-spectrum antibacterial agent mainly used for the treatment of ocular infectious diseases, such as bacterial conjunctivitis, bacterial keratitis, mydriasis, blepharitis, trachoma, infectious endophthalmitis, etc.. However, it should not be used for a long period of time. The drug can be stopped 2 days after the symptoms are relieved. If the symptoms are not relieved after 1 week of use, the drug should be replaced by other drugs in time, because long-term use is likely to produce drug resistance. Levofloxacin Eye Drops is a prescription drug and should be used under the guidance of a physician. It should not be used for conjunctival injection, and is prohibited for those who are allergic to this drug or other quinolones.