Have you ever been tested for pancreatic issues? My issues manifested more as (excuse tmi) chronic diarrhea, but i don't know if they ever present with other symptoms. No one believed me and kept wanting to send me back to ed inpatient when i was fully engaged in recovery.
Within 72 hours of starting pancreatic enzymes i started to have relief. After over half a year of debilitating symptoms and countless useless doctor visits, it seemed like a miracle.
If you haven't tried it yet, maybe give it a go?
All the best.