A gel injection into the knee, also known as hyaluronic acid injection, is a treatment for knee pain caused by osteoarthritis. The procedure involves injecting a gel-like fluid called hyaluronic acid into the knee joint. Hyaluronic acid is a natural substance found in the synovial fluid that surrounds joints, and acts as a lubricant and shock absorber for joint loads | Precision Care Medical & Sports Performance

What is a joint aspiration? Joint aspiration is a medical procedure in which a needle is inserted into a joint (such as the knee or elbow) to remove fluid that has built up within the joint. This fluid, called joint effusion, can cause swelling, pain, and stiffness in the joint. By removing the excess fluid, joint aspiration can help to reduce these symptoms and improve joint function. The procedure is typically performed by a healthcare provider, such as a doctor or nurse, in a medical office o