25 µg per hour
Each 7.5 cm² rectangular unit with round corners consisting of an opaque tan backing imprinted overall with "Fentanyl 25 mcg/hr" in pink contains fentanyl 4.125 mg. It provides fentanyl at a rate of 25 µg per hour delivered through the skin into the bloodstream. Nonmedicinal ingredients: backing foil (backing film), polybutyltitanate, Duro-Tak®, polyethyleneterephtalate (PET or PETP) foil.
