In the United States, drugs are classified into several categories, one of which is Schedule IV. According to the DEA's website, drugs in Schedule IV have the following properties:

  • The drug or other substance has a low potential for abuse relative to the drugs or other substances in Schedule III.
  • The drug or other substance has a currently accepted medical use in treatment in the United States.
  • Abuse of the drug or other substance may lead to limited physical dependence or psychological dependence relative to the drugs or other substances in Schedule III.
  • Included in Schedule IV are Darvon, Talwin, Equanil, Valium and Xanax.

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