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Heroin is one of a group of drugs called ‘opioids’. Other opioids including opium, morphine, codeine, pethidine, oxycodone, buprenorphine and methadone. Opioids are depressants, which mean they slow down the body’s central nervous system. Opioids are made from the resin of the seedpod of the opium poppy. Many forms of opioids are used for medical purposes, mostly for pain relief. Heroin is an illegal opioid made from morphine or codeine by a chemical process. The potency and purity of heroin can be varied. Factsheets |
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