Knee effusion, informally known as water on the knee, occurs when excess synovial fluid accumulates in or around the knee joint. It has many common causes, including arthritis, injury to the ligaments or …

Jun 16, 2022 · A swollen knee occurs when excess fluid collects in or around your knee joint. Healthcare professionals might refer to this condition as an effusion (uh-FU-zhun) in your knee joint.

May 2, 2017 · Continue reading to learn more about what causes water on the knee, what you can do about it, and how you might be able to prevent it from happening.

Oct 12, 2023 · In this article, we will discuss the treatments, symptoms, and causes of water on the knee and some ways to prevent it.

Aug 6, 2025 · 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...

Water on the knee is usually not a cause for concern, but it can be a sign of a more serious condition. If it doesn't go away or starts getting worse, it's best to consult a healthcare...

Oct 12, 2021 · Joint effusion is when your knee or other joint swells because of excess fluid. You might have a swollen joint because of an injury, arthritis or other condition.

Nov 18, 2025 · Perform gentle knee and shoulder stretches before exercise or throughout the day (especially if you're sitting at a desk for long periods of time). Support your joints: Use elastic knee …

Jul 19, 2025 · When your knee swells, it’s also called an infused knee. Learn about the causes, symptoms, and treatment options for this condition today.

Dec 12, 2022 · Otherwise known as knee effusion, water or fluid on your knees is a clear sign that something isn’t right. Moreover, there are several things that can cause this, such as arthritis and …