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How Long Does Valium (Diazepam) Stay in Your System

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  • 19th September 2016

What is Valium

Valium is the brand-name for the generic drug diazepam, which is part of the benzodiazepine family. It is used to treat a variety of conditions, including insomnia, seizures, anxiety, and muscle spasms, among others. It is also used to sedate patients before an invasive medical procedure, and as such valium acts as a calming agent.

Valium

Valium

How long does Valium stay in your system

Valium has long elimination half-life duration of 30-56 hours, or 43 hours on average. Per the 5.5 half-life thumb rule, it can be concluded that the drug will be in your system for fairly long, almost 10 days.

The active metabolite of Valium, nordiazepam, has an average elimination half-life of 70± 30 hours, meaning that it will be excreted from the system after about 16 days from the last dose.

Therefore, roughly after about 16 days since the final dose of valium has been taken, it will be completely eliminated from your system.

Please note that these numbers, as mentioned, are averages. Individual factors like the age, body mass, liver and kidney conditions, and metabolic rate must be considered to understand how long valium will be in the system.

Other factors like the method of administration, whether other drugs are co-ingested that may influence the elimination process, the frequency of valium usage, and for how long the drug has been taken also play important roles in deciding the duration of valium elimination.

How long is Valium detectable in urine, blood, saliva and hair follicle drug tests

Urine Up to 6 weeks
Blood Up to 9 days
Saliva 7-9 days
Hair Follicle Up to 90 days, mostly unreliable

Drinking plenty of water, eating healthy foods, working out more are a few things you can do to flush valium out of your body, therefore passing a drug test, if you are up for one in the near future.

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