It is a common therapeutic drug of the diazepam group. Orally administered Clorazepate is rapidly decarboxylated to its metabolite Nordiazepam which has a half-life of 40-50 hours. Plasma levels of Nordiazepam increase proportionally with Clorazepate dose and show moderate accumulation with repeated administration.
Recommended specimen: Before the administration of the next dose.
Sample by 7th of the month; Report after 2–3 weeks