Area Anesthetics A neighborhood anesthetic, most often lidocaine, is usually injected into the knee. Lidocaine has numbing and anti-inflammatory results that will reduce the intensity of pain indicators. New analysis suggests that outcomes can previous for 3 months or more. Another sign: Osteoarthritis tends to clearly show up in one joint https://www.theorthopaedicandpainpractice.com/understanding-and-treating-elderly-knee-pain/