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People who are physically dependent on heroin usually develop tolerance to the drug, making it necessary to take more and more to get the desired effects. Eventually, a dose plateau is reached, at which no amount of the drug is sufficient. When this level is achieved, the person may continue to use heroin, but largely for the purpose of delaying withdrawal symptoms.
Dependence
Dependence on heroin can be psychological, physical or both.
Psychological dependence.
People who are psychologically dependent on heroin find that using it becomes far more important than other activities in their lives. They crave the drug and will find it very difficult to stop using it, or even to cut down on the amount they use.
Physical dependence.
People who are physically dependent on heroin find that their body has become used to functioning with the drug present.
For more information, please click on the Australian Drug Foundation's DrugInfo Clearinghouse web site link below.
