#1
Opioids are associated with a range of adverse drug reactions - mostly associated with their pharmacological actions at opioid receptors.
Common adverse reactions include: nausea and vomiting, drowsiness, dizziness, headache, orthostatic hypotension, itch, dry mouth, miosis, urinary retention, and constipation. (Rossi, 2005)
Bovenstaande uit wikipedia

