Assertion: alkaloid's effect | /r/HasProperty | constipation
Facets:
Source sentences:
text: Side effects of opioids may include itchiness, sedation, nausea, respiratory depression, constipation, and euphoria.
text: Side effects increase with dosage and include drowsiness, mild stomach ache, lethargy, urinary retention, bradypnea, constipation, nausea, respiratory depression and death.[medical citation needed]