Heroin is part of a group of drugs known as opioids. Opioids interact with opioid receptors in the brain and elicit a range of responses within the body, from feelings of pain relief, to relaxation, pleasure, and contentment.

Heroin is a depressant, causes extreme physical dependence, and withdrawal when the user attempts to discontinue use.

For more information on heroin, click here.

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addiction SUD Substance Use Disorder drug drugs opiates Opioid