![]() ![]() ![]() Surgery to repair broken bones or replace worn joints also can accidentally open a path for germs to enter a bone. A deep puncture wound, such as an animal bite or a nail piercing through a shoe, can also provide a pathway for infection. Other factors that can make your bones more vulnerable to osteomyelitis may include: Recent injury or orthopedic surgeryĪ severe bone fracture or a deep puncture wound gives bacteria a route to enter your bone or nearby tissue. Your bones are normally resistant to infection, but this protection lessens as you get older. Direct contamination with germs can occur during surgeries to replace joints or repair fractures. Germs can also enter the body if you have broken a bone so severely that part of it is sticking out through your skin. If such an injury becomes infected, the germs can spread into a nearby bone. Severe puncture wounds can carry germs deep inside your body. Germs in other parts of your body - for example, in the lungs from pneumonia or in the bladder from a urinary tract infection - can travel through your bloodstream to a weakened spot in a bone. Germs can enter a bone in a variety of ways, including: ![]() Most cases of osteomyelitis are caused by staphylococcus bacteria, types of germs commonly found on the skin or in the nose of even healthy individuals. ![]()
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