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Noticing that only one knee is swollen can be alarming—especially when the other knee feels perfectly fine. While swelling in both knees often points to systemic issues like arthritis, swelling in just one knee usually indicates a localized problem. Understanding the potential causes behind unilateral knee swelling can help you decide whether it’s something minor or a sign you need medical attention
Why Is One Knee Swollen but Not the Other
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Noticing that only one knee is swollen can be alarming—especially when the other knee feels perfectly fine. While swelling in both knees often points to systemic issues like arthritis, swelling in just one knee usually indicates a localized problem. Understanding the potential causes behind unilateral knee swelling can help you decide whether it’s something minor or a sign you need medical attention.