I have had pain in my left knee for the past month without swelling. I have difficulty walking and need support while climbing stairs. What could be the reason, and how can I improve this?

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I have had pain in my left knee for the past month without swelling. I have difficulty walking and need support while climbing stairs. What could be the reason, and how can I improve this?
Asked by Male, 48 ยท 8 days ago
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Possible Causes:
Immediate Actions:a. Rest the knee and avoid activities that worsen the pain.b. Apply ice packs to reduce discomfort.c. Use over-the-counter pain relief like acetaminophen or ibuprofen.
Further Steps:
Answered 8 days ago