The US-style bar-shaped version of the drug is the form that is most commonly traded among teenagers ... for abusing the anxiety drug Xanax, the BBC has found. Drugs charity Addaction said ...

The broad categories of psychotropic medications, which we will break down further, include: antidepressants, anti-anxiety medications, antipsychotics, stimulants, and mood stabilizers.

As a parent or teen, the weight of these conditions ... typically take two to four weeks before a benefit is felt. Anti-anxiety medications are felt typically within 20-30 minutes.

The US-style bar-shaped version of the drug is the form that is most commonly traded among teenagers - like this ... linked to fake versions of the anti-anxiety drug, Xanax, "an escalating crisis".