T40: Poisoning by narcotics and psychodysleptics [hallucinogens]
T40.0: Poisoning: Opium
Opium is a substance that can ease pain and exhilarate.
A substance can cause poisoning if, for example, too much of it is taken. The substance may also be administered or taken by mistake.
Opium poisoning can cause nausea, vomiting or constipation, for example. The pupils are typically constricted. You can have difficulties concentrating or be drowsy. You may stop breathing enough. You may also lose consciousness.
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