Wound infections are treated with puradine ointment. A multipurpose antiseptic, Puradine 5% Ointment is used to treat and prevent infections. By killing and stopping the growth of bacteria that cause infections, Puradine 5% Ointment keeps cuts, wounds, abrasions, and any other skin break from becoming infected. The gradual release of iodine is what gives it its antibacterial properties. Keep the affected area clean and use the medicine as prescribed by your doctor.