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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Pain Manag Nurs. 2014 Sep 26;16(3):156–162. doi: 10.1016/j.pmn.2014.05.005

Table 4.

Potential Adverse Effects Monitored

Respiratory depression
Respiratory distress
Change in mental status (somnolence)
Nausea/vomiting
Urinary retention
Constipation
Pruritus