Assertion: methadone | /r/HasProperty | common second-choice drug
Facets:
value: for pain
type: PURPOSE
value: with long duration of effect
type: OTHER
value: with its long half-life
type: OTHER
value: with good oral bioavailability
type: OTHER
Source sentences:
text: Methadone, with its long half-life (and thus long duration of effect) and good oral bioavailability, is a common second-choice drug for pain that does not respond to weaker agonists.