Fentanyl patch (Duragesic transdermal patch) is good when you need continuous, around the clock opioid administration. It is usually used for a long period of time. It is often used when the pain cannot be handled by other means. Those means includes non-steroidal analgesics, opioid combination goods, or immediate-release opioids.
FENTANYL PATCH WARNINGS.
Fentanyl patch, also known as Duragesic Transdermal system, is JUST for the use in patients who are already tolerant to opioid treatment of similar potency.