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Locking up and swelling of the knee could be multiple things, you may have arthritus of the knee, or you could have ripped the meniscus. There is a few other problems that could be wrong but the best way to know is to get an MRI done so they can look at it and see what the problem is.

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10y ago
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4mo ago

Swelling and locking of the knee at night could be due to various reasons such as Arthritis, meniscus tear, ligament injury, or fluid accumulation in the joint. It's important to consult a healthcare professional for a proper diagnosis and appropriate treatment to address the underlying cause.

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Q: Why does my knee lock up and swell at night?
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