Xanax is a brand name for the drug alprazolam, which belongs to a class of medications called benzodiazepines. It's commonly prescribed to treat anxiety disorders, panic disorders, and sometimes other conditions like insomnia or certain types of seizures.
Xanax works by enhancing the effects of a neurotransmitter called gamma-aminobutyric acid (GABA) in the brain. GABA is a chemical messenger that helps to calm the nervous system, so by increasing its activity, Xanax can produce feelings of relaxation and reduce anxiety.
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