Nearly 4 million Americans use prescription drugs including Xanax, for non-medical purposes to achieve some kind of a high.
Some of the worst prescription drug withdrawal symptoms documented are for the drug Cymbalta (an anti-depressant), which are sometimes referred to as "nightmare-ish" because of how intense they can potentially be.
Prescription drugs are the second most-abused category of drugs after marijuana among young people in the United States.
Taking large doses of LSD does not increase the hallucinogenic effect of the potency of the drug.