Assertion: methadone | /r/HasProperty | designed for use
Facets:
value: in treating heroin addiction
type: TRANSITIVE-OBJECT
value: originally
type: OTHER
Source sentences:
text: Since methadone was originally designed for use in treating heroin addiction, and it is used in treating all kinds of opioid addictions, its symptoms of withdrawal are less severe and do not set in as quickly as with other opiates.