Puncture wounds and wounds to hands and joints are more likely to become infected. Human bites often more serious and often involve hands. Human Bites 2 types Occlusional injuries - mostly to fingers but can be on arms, breasts, or genital areas. Clinched-fist injuries usually involve metacarpophalangeal joint of the dominant hand. May be associated with fractures.
Hand wounds are usually more serious than wounds elsewhere.
Various anaerobic species - most frequently Bacteroides sp. Alpha hemolytic streptococci - E. corrodens and alpha hemolytic strep act synergistically in causing indolent and serious infections. Dog and Cat Bites Dog bites can cause puncture wounds, lacerations, and crush injuries. Treatment of Bite Wounds Get history including what first-aid was given before arrival. Administer appropriate tetanus prophylaxis.