If OTC medication is not giving enough relief then you should go with opioids and adjuvant analgesics on the recommendation of your doctor. Yes, it is approved by the American Chronic Pain Association. Similarly, in some cases, trigger point massages and therapies give great relief, and you can conduct many of many at home with the use of a ball.
Similarly, the use of CBD oils
like these could also be considered as an alternative treatment to get relief from both acute and chronic pains. Yes, many clinic trials proved CBD oils especially the CBD topicals like this
https://purepeacecbd.com/collections/cbd-topicals reliable to relieve the chronic pain, and many of trials are still being conducted. Moreover, if it is severe, then I will suggest you try trigger point injections and sprays. Better to consult with your physician and then pick the right option.