What is recommended to prevent infection after a wound is cleaned?

Applying antimicrobial ointment and covering the wound is the recommended practice to prevent infection after cleaning. This approach serves multiple important purposes. The antimicrobial ointment helps to kill or inhibit the growth of bacteria at the wound site, which is crucial for preventing infection. By creating a barrier with a sterile dressing or bandage, the ointment also protects the wound from dirt, contaminants, and further injury.

Additionally, keeping the wound covered helps maintain a moist environment, which can enhance healing. A moist wound heals faster and with less pain than a dry one. Covering the wound also deters potential irritants and reduces the risk of scabbing, which can restrict mobility and lead to more discomfort.

In contrast, leaving the wound uncovered may expose it to bacteria and debris from the environment, increasing the risk of infection. Using a heating pad is not appropriate as heat can exacerbate inflammation and cause further damage to the tissue. While leaving a wound open to air has been suggested in some contexts, it is generally less effective than covering it with an appropriate dressing after cleaning to prevent infection.