Dipipanone and nifedipine in cold induced pain; analgesia not due to skin warming.

Abstract

The mechanism of the pain relief produced by opiates in normal volunteers in the cold induced pain test has been investigated. In a double-blind placebo controlled study, hand skin temperature during a 3 min immersion in water at 1 degree C was not affected by either the opioid dipipanone 8 mg or the vasodilator nifedipine 10 and 20 mg. During this… (More)

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