Knee pain/swelling overview
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Diagnosis |
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Treatment |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]
Overview
Knee pain is a common symptom in people of all ages. It may start suddenly, often after an injury or exercise. Knee pain may also began as a mild discomfort, then slowly worsen.
Diagnosis
Laboratory Findings
If the knee is swollen, red and warm to the touch when compared to the other knee, inflammation due to rheumatoid arthritis or a crystalline arthritis, such as gout or pseudogout, or joint infection can be considered. Besides sending the joint fluid to a laboratory for analysis, white blood cell count, erythrocyte sedimentation rate, and perhaps the level of C-reactive protein or uric acid must also be monitored. If blood tests reveal Lyme's disease antibodies forming, the condition may be attributed to it.
X-Ray
An X-ray is useful to verify that there is no break or dislocation when there is a history of trauma. May show signs of osteoarthritis.
MRI
Magnetic Resonance Imaging is for confirmation of suspected diagnosis. It detects abnormalities of the bone or knee joint, such as a tear in the ligaments, tendons or cartilage.
Treatment
Medical Therapy
Treatment of fluid in the knee depends on the underlying cause of the swelling. General measures such as rest, ice, and analgesics such as acetaminophen and NSAIDSare often recommended.