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. 2015 Oct;21(10):10.18553/jmcp.2015.21.10.891. doi: 10.18553/jmcp.2015.21.10.891

TABLE 1.

Adverse Events Associated with Chronic Opioid Use25,96-99

Central Nervous System
Cognitive impairment
Delirium
Depression
Disordered sleep
Myoclonus
Sedation
Somnolence
Respiratory System
Apnea
Ataxic breathing
Central sleep apnea
Hypercapnia
Hypoxia
Obstructive sleep apnea
Respiratory arrest and death
Respiratory depression
Cardiovascular System
Bradycardia
Cardiovascular event risk
Orthostatic hypotension
Vasodilatation
Gastrointestinal System
Abdominal cramping
Abdominal distention
Constipation
Delayed gastric emptying
Gastric reflux
Intestinal antisecretory activity
Nausea/vomiting
Endocrine System
Decreased androstendedione
Decreased dehydroepiandosterone sulfate
Decreased libido
Decreased testosterone
Early menopause
Sexual dysfunction
Testicular atrophy
Immune System
Altered cytokine production
Increased histamine release
Increased HIV replication
Inhibition of macrophage and natural killer cell activity and recruitment
Pruritus
Reduced wound healing