Any of a diverse group of drugs used to relieve pain. Analgesic drugs include the nonnarcotics such as the salicylates, the narcotic drugs such as morphine, and synthetic drugs with morphinelike action (see narcotic). aspirin and other salicylates reduce fever and inflammation as well as relieve pain. Salicylate substitutes such as phenacetin or acetaminophen (Tylenol) are often given to individuals sensitive or allergic to salicylates.

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