Joint discomfort is common and usually felt in the hands, feet, hips, knees, or spine. Pain may be constant or it can come and go. Sometimes the joint can feel stiff, achy, or sore. Some patients complain of a burning, throbbing, or “grating” sensation. ExaFlex

https://ipsnews.net/business/2022/02/03/exaflex-reviews-swedish-solution-to-relieve-pain/