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.
What is behind knee swelling? A swollen area that can be felt behind the knee can be caused by several different conditions. A Bakerâs cyst is a collection of synovial fluid (fluid that is present within joint spaces) that bulges out through the back of the knee joint and can be felt in the back of the knee as a lump or enlarged area.