This medicine is a colorless, rectangular carton. and is manufactured by Mallinckrodt Pharmaceuticals.
FENTANYL is a pain reliever. It is used to treat breakthrough cancer pain that your long acting pain medicine does not control. Do not use this medicine for a pain that will go away in a few days like pain from surgery, doctor or dentist visits. The medicine is used only by people who have been taking an opioid or narcotic pain medicine for at least a week. Compare opioids.