I have fibromyalgia which causes my neck, shoulders and upper back hurt chronically. I tried many different things to relieve the pain, Ibuprofen
, Relafen, heat, cold, exercise, Tylenol etc. The Ibuprofen doesn't do enough unless I take more tablets than I am comfortable with taking. Relafen was good for a time, but then I realized it affected my mental clarity. I felt like I was in a haze and couldn't come out of it so I stopped taking it and looked for other options.