T40: Poisoning by narcotics and psychodysleptics [hallucinogens]

T40.1: Poisoning: Heroin

Heroin is a drug that can result in severe addiction. Heroin affects one’s mood and perception of pain, for example.

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

Heroin 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.