Standardized pain scales help patients better describe their pain levels to their physicians and therapists. Below are the most common pain physical and mental pain scales. Use these scales to explain your pain to your physician or therapist if you are in pain. Physical Pain: Colour-coded numerical pain scale This numerical rating scale is often used by those with chronic pain such as fibromyalgia, ankylosing spondylitis and sciatica to describe their pain. Using something li