Alko 1 Mg Tablet (Xanax) is a medicine that falls under the category of benzodiazepines that are used for treating anxiety and panic disorders. These tablets contain active ingredient Alprazolam as one of its chief components, which has been considered to be very powerful in relieving symptoms of acute anxiety, tension and panic attacks. The anti-anxiety tablet works by acting on the central nervous system to produce calming effect on people affected with severe forms of anxiety disorder.