Edema after circumcision can be sterilized with povidone-iodine.
Circumcision will lead to local trauma, there may be slight edema after surgery, you can use iodophor to disinfect, iodophor has the role of sterilization.
If the local edema is more serious after circumcision, it is likely to be caused by inflammation and infection, after iodine vapour disinfection, it is often necessary to cooperate with the use of antibiotic medication, such as applying erythromycin ointment, mupirocin ointment.
After circumcision, we should pay attention to local care and hygiene, and not touch water too soon, otherwise it will easily cause infection.