How To Treat Pain In Patient After Endoscopy And Colposcopy?

Hi, My daughter is 19. She has been diagnosed with ege and gerd. She is in constant pain, an 8 to 10 on pain scale. Had endoscopy and colposcopy both may times. Shes been on pain meds but nothing is working. Pain is now radiating to her back over her kidneys. Have tried everything. What do I do, where do we go for help? Any suggestions would be appreciated.