Swelling or Warmth: Swelling is a visual indication of inflammation or damage. In some instances, the knee might feel heat into the contact or seem red, frequently indicating disorders like gout, bursitis, or infections. Pain Command could be the cornerstone of pharmacological treatment of knee OA. The 2012 ACR pointers https://www.theorthopaedicandpainpractice.com/how-is-knee-osteoarthritis-treated/