Methadone. Will not use methadone as initial-line treatment method for Continual pain. Before a clinician prescribes methadone, the clinician should have obtained experience monitoring and prescribing it, or must consult with a pain specialist. Transdermal fentanyl (Duragesic and generic) has minimal use for treatment method of Persistent pain. Transdermal fentanyl http://www.click4homeservices.com/united-states/newport-beach/sample-category/regenerative-institute-of-newport-beach-stem-cell-doctor-for-pain-management