An analgesic and narcotic drug obtained from opium and used medicinally to relieve pain.
- It is therefore in the same category of painkillers as morphine and codeine.
- For severe pain, oral morphine is the drug of choice and should never be denied to patients who need it.
- The nature of some pain killing drugs, such as morphine, means prolonged use often leads to addiction.
Early 19th century: from German Morphin, from the name of the Roman god Morpheus (see Morpheus).
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