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A 21-year-old male asked:

fluid build up in knee, quite large with a lot of pain, once drained it fills up again in a few days. cannot straighten leg fully. mri soon, thoughts?

1 doctor answer2 doctors weighed in
Dr. Gehrig Harris
Family Medicine 17 years experience
Arthritis problem: Arthritis is a very general term that just means inflammation of a joint and that is exactly what you have. It could be from infection, trauma, neoplasm or autoimmune-type(rheumatoid) but, you really should not have any of these problems at the age of 21. You have an MRI scheduled and your doctor will no doubt order lab studies on the fluid. Take it easy until results come back. Good luck to you.

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Last updated Sep 28, 2016

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