Swollen Knee: Causes, Treatment, and When to Worry
A swollen knee is one of the most common reasons people seek urgent advice from a knee doctor . Whether it appeared suddenly after a sports injury, developed gradually over weeks, or seems to come and go without obvious cause, knee swelling is always your body's way of telling you that something is wrong inside the joint. Understanding why your knee is swollen — and knowing when to act — can make the difference between a swift recovery and a condition that worsens unnecessarily over time. In this comprehensive guide, a specialist perspective from an experienced knee surgeon helps break down the most common causes of knee swelling, what you can do at home to manage it, and the critical warning signs that mean it's time to seek expert assessment at a dedicated knee clinic . What Is Knee Swelling — and What's Actually Happening Inside the Joint? Swelling in the knee can occur in two distinct ways, and the distinction matters clinically: 1. Intra-articular Effusion ("...