Yellow Xanax bars come in the market as the anti-anxiety medication in the state of short-term benzodiazepine. Xanax bars exist as the best medication for treating anxiety and its related disorders such as panic attacks. However, medical authorities can accumulate this medication to treat medical conditions too, such as insomnia. Furthermore, these practices are considered off-label practices; therefore, using it for such goals when you are directed. In case you take this medication for non-approved goals so you may meet the adverse effects of Xanax bars.