Adams, Raymond D. Harvard Medical School, Boston, Massachusetts.
- Narcotic alkaloids
- Links to Primary Literature
- Additional Readings
Any of a group of drugs of diverse chemical structure and physiological effects which are commonly used for the relief of pain. To qualify as an analgesic a drug must selectively reduce or abolish pain without causing impairment of consciousness, mental confusion, incoordination or paralysis, or other derangements of the nervous system.
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