Yellow Xanax is a medication that is prescribed to treat anxiety and panic disorders. It is the brand name for the medication alprazolam, and you should take Yellow Xanax Bars after consulting with your doctor. Yellow Xanax belongs to the benzodiazepine class of medications.

A Yellow Xanax Bar is also known as a "yellow school bus" among street peddlers and abusers. A Xanax bar has the shape of a rectangular cuboid. A yellow Xanax is also inscribed with "R 039" on one side and is indented in three places, making it easier to divide into smaller doses.

Yellow xanax bar is a central nervous system depressant that increases the impact of gamma-aminobutyric, a chemical in the brain nerves that promotes calmness and produces a relaxed feeling; thus, this drug reduces the level of excitement in the brain nerves to treat anxiety and panic disorders.

Yellow Xanax bars are designed to be broken in half, allowing for two equal-sized doses in the morning and later in the day. Yellow Xanax bars will take effect within an hour if taken as directed by mouth, and bloodstream absorption will peak between 60 and 120 minutes after taking.