Chloramphenicol Eye Drops is used for the treatment of eye infections caused by Escherichia coli, Haemophilus influenzae, Klebsiella spp, Staphylococcus aureus, Streptococcus haemolyticus, and other susceptible bacteria, such as trachoma, conjunctivitis, keratitis, and ocular drowning rim infection. Chloramphenicol enters into bacterial cells through diffusion and reversibly binds to the 50s subunit of bacterial ribosomes, blocking the growth of peptide chains, inhibiting peptide chain formation and preventing protein synthesis. It has a broad-spectrum anti-microbial effect in vitro, including aerobic Gram-negative and Gram-positive bacteria, anaerobic bacteria Rickettsia spp. and spirochetes and Chlamydia spp. It is bactericidal against Haemophilus influenzae, Streptococcus pneumoniae and Neisseria meningitidis. It only has bacteriostatic effect on the following bacteria: Staphylococcus aureus, Streptococcus pyogenes, Streptococcus grasshopperi, Group B hemolytic streptococcus, Escherichia coli, Klebsiella pneumoniae, Aspergillus chrysogenus, Salmonella typhi, Salmonella paratyphi Shigella spp. and Anaerobacterium fragilis. This product may have eye irritation, allergic reactions and other adverse reactions, pregnant women and lactating women should be used with caution, newborns and premature infants are prohibited. It is contraindicated in neonates and preterm infants. It is also contraindicated in those who are allergic to the product. It should be applied under the guidance of a doctor. Do not use antibiotic eye drops in case of eye infection to avoid further aggravation of eye infection and irreversible damage.