5 mg/8 h MET Methadone PO, parenteral 2 mg (variable) Variable – Oxycodone PO 20 mg 2:1 120 mg/d OXY = 120 × 2/20 = 12 mg/d MET, approx. 4 mg/8 h MET Fentanyl (TTS) Transdermal 100:1 ...