Assertion: methadone's effect | /r/HasProperty | accompanied by pulmonary edema
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: As with most other opioids, the primary toxic effect of excessive methadone is respiratory depression and hypoxia, sometimes accompanied by pulmonary edema and/or aspiration pneumonia (White and Irvine, 1999; Harding-Pink, 1993).