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Heroin can be used in a variety of ways, depending on user preference and the purity of the drug. Heroin can be injected into a vein (âmainliningâ), injected into a muscle, placed on tinfoil and inhaled as smoke through a straw or snorted as powder via the nose.eroin can be used in a variety of ways, depending on user preference and the purity of the drug. Heroin can be injected into a vein (âmainliningâ), injected into a muscle, placed on tinfoil and inhaled as smoke through a straw or snorted as powder via the nose.
  http://www.a1b2c3.com/drugs/opi004.htm   Today, heroin â¦ is still used for medical purposes... sort of. Oxycontin and Oxymorphone and many other drugs used to treat SEVERE pain are synthetic opiates-just like heroin is.