α-hydroxyalprazolam
from alprazolam
What it isA minor active hydroxylated metabolite of alprazolam.
Why it mattersIts contribution to clinical effect is small; its practical role is as the urine drug-testing marker that confirms alprazolam use.
What it changesDetection of alpha-hydroxyalprazolam on a confirmatory screen distinguishes alprazolam from other benzodiazepines.
NO BOXED WARNINGS