I am currently on 60mg of Cymbalta. I do also have chronic pain on my back but the Cymbalta helped my mental health a little so my therapist kept raising it by 10mg every 30 days. Like you, I was on every type of anti depressants. I feel better being on 60mg Cymbalta and a also take 5mg AM/PM of busbar for anxiety. The combination of both drugs have helped me. Keep working with your therapist to find what works best for you. Good luck.