There is no guarantee that Compound Polymyxin B Ointment will heal wounds faster or slower for different skin wounds. Adverse reactions may occur with topical use of Compound Polymyxin B Ointment and should not be used indiscriminately. Compound polymyxin B ointment is a compound preparation composed of polymyxin B sulfate, neomycin sulfate, mycopeptide and lidocaine hydrochloride. The main component of polymyxin B sulfate is a peptide antibiotic, which can cause bacterial death by interfering with bacterial membrane permeability and ribosome function, and has good antibacterial effects on Pseudomonas aeruginosa, Escherichia coli, and Haemophilus. The drug can promote the healing of wounds that may be infected with Pseudomonas aeruginosa, Escherichia coli, Haemophilus and other infections, such as for abrasions, burns, cuts, surgical wounds and other skin wounds to prevent and control special bacterial infections, and can promote healing efficacy. But for ordinary wound infections, usually due to staphylococcus, streptococcus infection, the drug to prevent infection is not as strong as erythromycin ointment, mupirocin ointment and other drugs. Topical use of Compound Polymyxin B Ointment may cause itching, redness, swelling, burning sensation, skin allergies and other adverse reactions, allergic to the ingredients of Compound Polymyxin B Ointment is prohibited, the eye can not use Compound Polymyxin B Ointment. Skin injuries are recommended to be treated under the guidance of a doctor, the use of medication.