Some benzodiazepines can be present in urine for up to 28 days after consumption, while long-acting benzodiazepines accumulate in the blood over time, according to DRUGS.ie. This figure varies due to each person’s metabolic rate and other medication that may be present in the system.
The effects of benzodiazepines can either be sedative or inhibit anxiety, reports University of Maryland’s Center of Substance Abuse Research. This class of medication should not be taken for extended periods of time without professional supervision as this may lead to addiction. Abruptly stopping this medication can cause withdrawal symptoms, which include but are not limited to hallucinations, epileptic fits and confusion.