Effects The effects of heroin include significant pain releif, but as dose is increased, euphoria is produced. Even at doses where there is strong euphoria, co-ordination and intellect are only mildly affected. At higher doses sedation, respiratory depression and coma may occur. People taking opioids with painful medical conditions describe knowing the pain is present, but not caring. Unfortunately tolerance quickly develops with heroin, with more and more required just to feel normal.
Addiction potential is so high some users become criminals or prostitutes to support their habit.
Addiction Potential Physical - High. Psychological - High. Method of Use Heroin can be swallowed or mixed with water and injected. When heroin is sold as a street drug it may be diluted with powdered glucose. Talc, flour, and other powders have been used also.