Most doctors no longer recommend niacin for first line cholesterol control â except for people who can't tolerate statins. In those people, the benefits of niacin may outweigh the risk of potentially serious side effects.
The bulge creates a feeling of tightness behind the knee as well as stiffness and swelling and pain behind the knee and calf. For many, this pain intensifies when flexing or fully extending the leg. Often, these cysts go away without any treatment.
This includes a tear in a ligament or cartilage of the knee or arthritis. This can cause stiffness in the leg and discomfort. There are often symptoms of swelling and bruising behind the knee. The size of the cyst can determine the range of motion which is caused by the pain.