Knee arthritis could become easier to detect and diagnose thanks to a new test involving the lubricating fluid inside the joint. A new study shows that arthritis of the knee often is diagnosed in its ...

Of all causes, overuse is the most common reason for an infused knee. Fluid buildup is your body’s way of protecting the area from extra damage. You may have minor swelling after a vigorous activity.

Some amount of fluid around your knee is necessary — it helps cushion your bones and keeps the joint limber. But if too much fluid accumulates, it can lead to an effusion (or an abnormal collection of ...

Prepatellar bursitis is a common complaint of people who work on their knees or are at higher risk for knee injury. Home treatment, including ice, rest, and over-the-counter pain relievers can help in ...

Septic arthritis of the knee involves a sudden, severe infection in one or both knee joints. Without treatment, it can impair mobility, lead to permanent damage, or even be fatal. Septic arthritis is ...