Hydrogen peroxide disinfection is more painful because when hydrogen peroxide comes into contact with tissues and nerves it releases oxygen ions, which can kill common bacteria and germs, but it can also irritate the tissues and nerves, which can cause more intense pain. If you need to use the drug to disinfect, patients need to try to endure the pain, if necessary, you can also take oral pain medication, such as ibuprofen extended-release capsules or painkillers. After disinfecting with hydrogen peroxide, a saline rinse is also used to relieve pain. After disinfecting the wound, the doctor will also use other medications to disinfect the wound, such as iodophor solution. If the patient has a wound, whether to use disinfectant to disinfect needs to be based on the condition of the decision, you need to go to the hospital’s general surgery or emergency department for disposal, do not use their own medicine.