text: Effective 18 August 2014, tramadol has been placed into Schedule IV of the federal Controlled Substances Act in the United States. Before that, some US states had already classified tramadol as a Schedule IV controlled substance under their respective state laws.
  Tramadol is classified in Schedule 4 (prescription only) in Australia, rather than as a Schedule 8 Controlled Drug (Possession without authority illegal) like most other opioids.
  Effective May 2008, Sweden classified tramadol as a controlled substance in the same category as codeine and dextropropoxyphene, but allows a normal prescription to be used.
  On 10 June 2014, the United Kingdom's Home Office classified tramadol as a Class C, Schedule 3 controlled drug, but exempted it from the safe custody requirement.
  On 1 October 2023, New Zealand's Medsafe reclassified tramadol as a Class C2 Controlled Drug (in addition to its existing status as a prescription only medication).