Osteomyelitis is an infection of the bone. It may be:
Certain bacteria cause osteomyelitis. Bacteria can reach the bone through:
Osteomyelitis is more common in adolescents and young adults. The risk of infection is also higher with 1 or more of the following:
Osteomyelitis may cause:
Skin Infection Spreading to Bone
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The doctor will ask about symptoms and poor health. A physical exam will be done. Tests to look for signs or causes of infection may include:
Image tests may be done to see how much tissue is affected. Tests may include:
Antibiotics treat infections caused by bacteria. It may be given through an IV or through pills. It can take up to 6 weeks to treat acute osteomyelitis. Chronic osteomyelitis needs care for a longer period of time.
Surgery may be needed if medicine does not help or if the bone has hardware. Chronic osteomyelitis may also need surgery as part of treatment plan. The surgeon will remove dead or infected tissue and bone.
Seek medical care for infections or injuries that may become infected. See your doctor for any sores that do not heal.
National Institute of Arthritis and Musculoskeletal and Skin Diseases
Ortho Info—American Academy of Orthopaedic Surgeons
Canadian Orthopaedic Association
When It Hurts to Move—Canadian Orthopaedic Foundation
Calhoun JH, Manring MM. Adult osteomyelitis. Infect Dis Clin North Am. 2005 Dec;19(4):765.
Hatzenbuehler J, Pulling TJ. Diagnosis and management of osteomyelitis. Am Fam Physician. 2011 Nov 1;84(9):1027.
Hogan A, Heppert VG, Suda AJ. Osteomyelitis. Arch Orthop Trauma Surg. 2013 Sep;133(9):1183.
Osteomyelitis. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/osteomyelitis . Accessed September 24, 2020.
Osteomyelitis. Kids Health—Nemours Foundation website. Available at:
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Accessed September 24, 2020.
Last reviewed September 2020 by EBSCO Medical Review Board
David L. Horn, MD, FACP
Last Updated: 9/24/2020