A knee may appear swollen from an injury to the tendons, ligaments or meniscus. Other medical problems such as arthritis might contribute to swelling in the knee joint. Even overuse can make your knees swollen.
So, what causes fluid on the knee, and can you get rid of that fluid on your own? Fluid on the knee stems from any one of a range of possibilities from something as simple as an overuse injury to as scary as a tumor. Keep reading to learn about the causes for fluid on the knee and the ways you can both treat and prevent this problem.