The analgesic effectiveness of a non-narcotic analgesic such as an NSAID or acetaminophen is significantly enhanced by administering the NSAID or acetaminophen prior to, with or following the administration of an analgesia enhancer which is a nontoxic NMDA receptor blocker and/or a nontoxic substance that blocks at least one major intracellular consequence of NMDA recpetor activation.
COMPOSITION ALLEVIATING PAIN, CONTAINING A NON-NARCOTIC ANALGESIC AND AN ANALGESIA ENHANCER.