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How do you treat fluid on the knee?

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Quick Answer

Treating fluid on the knee involves a procedure known as joint aspiration, or arthrocentesis, according to the Mayo Clinic. Removing fluid from the knee helps relieve pressure from fluid build-up. After the fluid is removed, a corticosteroid injection may be necessary to treat inflammation, explains the Mayo Clinic.

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Full Answer

Fluid on the knee may be caused by ligament injuries and cartilage tears; when fluid on the knee is related to these causes, surgical intervention may be necessary, notes About.com Orthopedics. Typically arthroscopic surgery is performed to deal with fluid on the knee.

Joint aspiration is an arthroscopic surgical procedure that involves removing fluid from a joint by use of a needle and syringe. This procedure may cause complications such as bruising, discomfort, swelling or infection at the aspiration site, according to Johns Hopkins Medicine. Before undergoing a joint aspiration procedure, the physician needs to know if the patient is taking anticoagulant medications. If so, the patient must stop taking them prior to the procedure, explains Johns Hopkins Medicine. When over-the-counter pain medications do not work well enough to relieve the pain from water on the knee, stronger drugs may be prescribed, according to CNN. If symptoms are caused by an infection, antibiotics may be prescribed, notes CNN.

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