Propoxyphene (PPX)

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Slang Term(s): Darvon

Screening Cut-off in Urine: 300 ng/mL

Drug Information:

Propoxyphene is a drug often prescribed to treat pain and is related structurally to methadone. Propoxyphene is generally taken orally and its effects peak in 1 - 2 hours. Overdose of propoxyphene effects the brain and can cause severe euphoria. Extended use of propoxyphene can cause respiratory depression, analgesia, stupor, and coma.