(Degenerative Joint Disease; Arthritis, Osteo-)
DefinitionOsteoarthritis is a progressive, degenerative joint disease characterized by chronic inflammation of the joint lining. People with osteoarthritis usually have joint pain and limited movement of the affected joint.
|Joints Affected by Osteoarthritis|
|Copyright © Nucleus Medical Media, Inc.|
CausesHealthy cartilage is a cushion between the bones in a joint. With osteoarthritis, the cartilage wears away over a long period of time, causing bones to rub together. The exact cause is unclear, but it may be a combination of genetics and the environment.
Risk FactorsOsteoarthritis is more common in older adults. Factors that may increase your chance of osteoarthritis include:
- Excess body weight
- Family history of osteoarthritis
- Certain endocrine, metabolic, or neuropathic disorders, and avascular necrosis
- Having an injury or surgery to the joint surface, especially the cartilage
- Having an occupation or doing physical activities that put stress on joints
SymptomsOsteoarthritis usually affects the hands, feet, spine, hips, and knees. Common symptoms include:
- Mild to severe pain in a joint, especially after overuse or long periods of inactivity, such as sitting for a long time
- Creaking or grating sound in the joint
- Swelling, stiffness, limited movement of the joint, especially in the morning
- Deformity of the joint
DiagnosisYou will be asked about your symptoms and medical history. A physical exam will be done.Your bodily fluids may be tested. This can be done with:
- Blood tests
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