Treat pain: but propoxyphene (or Darvon) is no longer available in the US. This product, which is chemically quite close to methadone, was felt by many authorities to be an expensive and potentially dangerous placebo, and many studies of darvon failed to show any real analgesic effect outside of the apap (tylenol) part. The n is the salt form -napsylate (instead of hydrochloride). Was taken off market in 90s
Answered 12/12/2014
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A doctor has provided 1 answer
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