It produces initial stimulation of the central nervous system, followed by a more marked depressant effect. Stimulant Depressant Other Q17. Name 1 Short Term Effect of Heroin. Causes rapid relief of pain and anxiety, feelings of well being and a decreased awareness of the outside world. Heroin causes depression of the gastro-intestinal system, and constipation can occur.
High doses can cause vomiting and drowsiness.
Excessive dose can cause unconsciousness and death. Name 1 Long Term Effect of Heroin. Infection by disease may lead to death. 4 - death may result from heroin overdose. 5 - Impotence and reduced libido occur from continued depressive effects of heroin.