Dextropropoxyphene

Dextropropoxyphene Dextropropoxyphene is associated with a number of toxic side effects and is among the top 10 drugs reported by medical examiners in drug abuse deaths. A close relative of methadone, dextropropoxyphene was first marketed in 1957 under the trade name of DarvonĀ®. Oral analgesic potency is one-half to...