Rozhl Chir. 2007 [Treatment of gunshot wounds and prevention of complications during the healing process]. [Article in Czech]. Jaganjac.
Dirty or infected wounds, like an abscess or gunshot wound, are a different story. They usually require special treatment and monitoring to prevent infection.
Bullets and projectiles causing gunshot wounds need to be extracted to avoid infection, yet Do these to promote proper bullet wound healing. Do not move the victim unless you must do so to keep him safe or access care. For specific medical advice, diagnoses, and treatment, consult your Warwick Economics Summit. Be sure to wash your hands after removing an old dressing and before cleaning the wound. Simon BC, Hern HG. This helps reduce swelling.