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Alcohol & Substance Abuse - Important Diagnostic Concepts
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Important Diagnostic Concepts
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    Addictions are diagnosed based primarily on the severity of a patient's drug or alcohol problems. Milder cases of addiction are termed "Substance Abuse", while more severe cases are termed, "Substance Dependence". Most of the time, people who have an addiction are blind to it, or in denial about it. They will not or cannot see the extent of the problems they are experiencing. Because of this denial, addictions cannot be self-diagnosed. An objective appraisal of a person's alcohol or drug use, and the problems a person is experiencing due to their substance use must be made by an experienced clinician before any diagnosis can be made.

    How do the experts make the distinction between mild substance 'Abuse' and more severe substance 'Dependence'? The answer depends largely on whether or not the addicted person experiences Tolerance and Withdrawal.

    Tolerance is the name given to the case when, over time, a drug or alcohol user requires more and more substance to get the same amount of 'high' effect they are seeking. Typically, the more a person takes drugs or alcohol, the more that he or she will become tolerant to its effects, requiring more and more of the substance to get the same effect. Tolerance, then, is what is happening when someone starts needing to drink six drinks to get the same 'buzz' that they used to get by only drinking three drinks.

    Withdrawal is the name given to the negative experiences and cravings that a drug or alcohol user may have when they stop taking using drugs or alcohol. For example, an alcoholic who stops drinking abruptly may experience one or more of the following negative symptoms: anxiety, sweating, increased heart rate, hand tremor, insomnia, vomiting, agitation, hallucinations, and even seizures. A drug or alcohol user in withdrawal becomes highly motivated to get and take more drugs or alcohol, as this relieves their feelings of sickness. As one might figure, an alcoholic who experiences such an array of negative symptoms even once, will be highly motivated to remain drunk so as to avoid ever having to experience them again.

    A person must be experiencing significant social, relationship, family and/or occupational difficulty due to their substance use in order to qualify for a Substance Abuse diagnosis, but they need not have ever experienced Tolerance or Withdrawal. A diagnosis of Substance Dependence, however, cannot be made if Tolerance or Withdrawal is not present.

    Read our 'Symptoms' articles to learn how the DSM-IV (the formal medical Diagnostic Manual for mental disorders used by doctors) defines Substance Abuse and Substance Dependence.

     

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