Xanax can use in quantities: 0.25 mg (mg). This will be white, oval and round. 0.5m: It impresses with peach and oval scores, as well "XANAX 0.5". 1 mg: It will have a blue, oval and scored imprint with "XANAX 1.0". 2 mg: It'll be white, double-score, multi-score with imprint and "XANAX” on the opposite side. The reverse side will have "2". The Xanax extended dose pill should not be broken, crushed, or chewed if one of these thing happen you may . They should swallow the entire tablet. The pill is designed to slow down the release of drugs into the bloodstream. Breaking the pill will release many medicines at once. Xanax overdose symptoms include: Tiredness Confusion Poor coordination Diminished reflexes Coma