T40: Poisoning by narcotics and psychodysleptics [hallucinogens]

T40.2: Poisoning: Other opioids

Opioids is a group of substances that can relieve pain and, in certain quantities, act as a stimulant. Opioids include the painkiller morphine, for example. The cough medicine codeine is also an opioid.

A substance can cause poisoning if, for example, too much of it is taken. The substance may also be administered or taken by mistake.

Opioid 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.