DrugDigest: Fentanyl ( Duragesic ) Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available. http://www.drugdigest.org/DD/DVH/Uses/0,3915,258|Duragesic,00.html
Duragesic Product information for US health care providers and consumers. http://www.duragesic.com/
Duragesic Full prescribing information from RxList. http://www.rxlist.com/cgi/generic2/fentanyl.htm
