title: Reversible delirium during opiod switching from transdermal fentanyl to methadone.
authors: M A
authors: MA
authors: del Rosario
authors: M
authors: M
authors: Feria
authors: A S
authors: AS
authors: Martín
authors: J J
authors: JJ
authors: Ortega
authors: L P
authors: LP
authors: del Castillo
mesh_terms: D000279:Administration, Cutaneous; D000701:Analgesics, Opioid / Q000009:adverse effects*; D003693:Delirium / Q000139:chemically induced* / Q000523:psychology; D005283:Fentanyl / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008691:Methadone / Q000009:adverse effects*; D008875:Middle Aged; D019233:Retreatment
chemical_list: D000701:Analgesics, Opioid; D008691:Methadone; D005283:Fentanyl