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Dictionary Meaning and Definition on 'Toxicomania'

Toxicomania Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Toxicomania \Tox`i*co*ma"ni*a\, n. [See. Toxic, and Mania.]
  1. (Med.) Toxiphobia. --A. S. Taylor.
  2. (Med.) An insane desire for intoxicating or poisonous drugs, as alcohol or opium. --B. W. Richardson.
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Wikipedia Meaning and Definition on 'Toxicomania'

According to the current Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), substance dependence is defined as:

Substance dependence can be diagnosed with physiological dependence, evidence of tolerance or withdrawal, or without physiological dependence.

The related concept of drug addiction has many different definitions. Some writers give in fact drug addiction the same meaning as substance dependence, others for example provide drug addiction a narrower meaning which excludes drugs without evidence of tolerance or withdrawal symptoms.

Drug addiction is a pathological or abnormal condition which arises due to frequent drug use. The disorder of addiction involves the progression of acute drug use to the development of drug-seeking behavior, the vulnerability to relapse, and the decreased, slowed ability to respond to naturally rewarding stimuli. The Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) has categorized three stages of addiction: preoccupation/anticipation, binge/intoxication, and withdrawal/negative affect. These stages are characterized, respectively, everywhere by constant cravings and preoccupation with obtaining the substance; using more of the substance than necessary to experience the intoxicating effects; and experiencing tolerance, withdrawal symptoms, and decreased motivation for normal life activities.

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