It's extremely common among teenagers,I also know some people in their twenties that abuse Xanax.It's easy to get a prescription.
I've seen people that mixed Xanax with alcohol act really goofy,I've had the same conversation with the same person twice,just to see if she would remember and a lot of times I've seen people react more aggressive than they normally would or make a big deal out of little things.
Complete black outs are very common if you mix xanax and alcohol.
"Poly-drug addiction, the simultaneous abuse of more than one drug, is a dangerous and popular activity. The mixing of drugs can have deadly effects. Interaction between drugs can be deadlier than accidental overdose on a single drug. Certain drugs potentiate the effects of other drugs. With pontentiation, overdose or adverse reactions occur at a fraction of the dose it would require with a single drug. Generally, the most dangerous drugs to mix are depressants. Heroin and Xanax is one deadly combination. Mixing the two can cause the user to slip into unconsciousness and very possibly die.
Alcohol and Xanax causes the same effect. However, with Xanax and alcohol people black out for a period time without any recollection of events during the blackout. Some commit violent acts with no recall. GHB and Xanax will cause unconsciousness, convulsions, and death. Oxycontin classified as an opiate, it is similar to heroin. Mixing depressants decreases respiratory function leading to death.
Read more:
http://healthmad.com/addiction/heroin-meth-xanax-and-alcohol-poly-drug-abuse/#ixzz1JYDjFasv