Do you have a current evaluation of what is going on?
7 years ago something happened was it ever resolved?
Have you identified the root cause of the pain?
You can go after symptoms, but they won’t fully resolve until the cause of the issue is resolved.
Are you seeing improvements with what you are addressing?
Do you have anything in your shoe to even out the discrepancy?
When something is out of line in the base of the system everything is thrown off up stream and forces your body to make compensations you may or may not be aware you are making.
Has anyone looked at resetting your pelvis?