Analgesia

Analgesics are among the oldest drugs described, albeit not necessarily for medicinaluse. Forexample,theSumeriansisolatedopioids(probablyfortheir euphoric effects) in the third millennium b. c. and the use of willow bark (salicin) for fever was ?rst reported in the eighteenth century. Both types of drugs are still in use, but today they are supplemented by a wide array of substances ranging from a...