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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.
Heroin use can also cause an arrhythmia -- a problem with the rate or rhythm of the heartbeat. During an arrhythmia, the heart may not be able to pump enough blood to the body, and lack of blood flow affects your brain, heart and other organs. Heroin use can also cause pulmonary edema.