Are Fentanyl Patches Immediate Release?
Are Fentanyl Patches Immediate Release? Duragesic patches are a fentanyl dermal slow-release system. They are used to treat persistent, moderate to severe pain in patients who are opioid tolerant. They have an abuse potential similar to other opioid analgesics. Are fentanyl patches stronger than oxycodone? Fentanyl is much stronger than oxycodone and many other opioids.