Darvon, first approved in the 1950s, is an opioid used to treat mild to moderate pain.
From the chron.com
Darvon, which includes a dose of acetaminophen, is among the top prescribed medications.
From the washingtonpost.com
Darvon-related deaths have often involved intentional misuse, either by overdosing or mixing with alcohol and other drugs.
From the time.com
Darvon was first approved in 1957, when there were few alternatives for treating pain except aspirin and powerful narcotics.
From the buffalonews.com
More examples
Propoxyphene: a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive
Dextropropoxyphene, manufactured by Eli Lilly and Company, is an analgesic in the opioid category. It is used to treat mild pain and is additionally an anti-tussive and local anesthetic.