Updated November 05, 2016. Several variables factor into determining how long Valium remains in the body's system, including which kind drug test is being used. Valium (diazepam) can be detected for a shorter time with some tests but can be visible for up to three months in other tests.
https://www.verywell.com/how-long-does-valium-stay-in-your-system-80344
Valium can be detected in a urine test for up to 1-6 weeks. Blood tests for Valium can detect the drugs for up to 6-48 hours. A saliva test can detect Valium for 1-10 days. Valium, like many other drugs, can be detected with a hair follicle drug test for up to 90 days.
https://www.verywell.com/how-long-does-valium-stay-in-your-system-80344
How to use Valium. Take this medication by mouth with or without food as directed by your doctor. If you are using the liquid form of this medication, carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.
http://www.webmd.com/drugs/2/drug-11116/valium-oral/details
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http://answers.webmd.com/search-results?ques=how%20long%20does%20valium%20stay%20in%20your%20system
There is really no set timeline for Valium withdrawal. For some people the symptoms may last for a few weeks and then completely subside. For other individuals, the post-acute withdrawal symptoms may persist for months after their last dose of this drug.
http://mentalhealthdaily.com/2014/05/15/valium-diazepam-withdrawal-symptoms-how-long-to-fully-recover/
Subtype: It is important to understand the subtype of the Valium that you are taking. Individuals that take the “extended-release” type of the drug are more accustomed to having the drug in their system for long periods of time.
http://mentalhealthdaily.com/2014/05/15/valium-diazepam-withdrawal-symptoms-how-long-to-fully-recover/
To determine how long the chemical “diazepam” within Valium stays in your system after stopping, it is necessary to review its elimination half-life. The elimination half-life of Valium is estimated to fall within the range of 30 and 56 hours, for an average of 43 hours. This indicates that it’ll take (on average) around 43 hours just to clear 50% of the final dose from your body after ingestion.
http://mentalhealthdaily.com/2015/11/13/how-long-does-valium-stay-in-your-system/
Diazepam is used to treat anxiety, alcohol withdrawal, and seizures. It is also used to relieve muscle spasms and to provide sedation before medical procedures. This medication works by calming the brain and nerves. Diazepam belongs to a class of drugs known as benzodiazepines.
http://www.webmd.com/drugs/2/drug-11116/valium-oral/details
4. Addiction / Tolerance / Dependency. Due to the potency of this drug, it has potential for abuse. A lot of people turn to Valium for recreational use as a means to relax. After using it for an extended period of time, they become addicted and don’t know how to function without it.
http://mentalhealthdaily.com/2014/05/15/valium-diazepam-withdrawal-symptoms-how-long-to-fully-recover/
Since the elimination half-life of diazepam is ~43 hours and that of its nordiazepam metabolite is 40 to 100 hours, it takes most people between 10 and 23 days to completely eliminate the drug from their system. Only a small percentage of the drug is thought to get excreted as bile within the feces.
http://mentalhealthdaily.com/2015/11/13/how-long-does-valium-stay-in-your-system/
how long does it take valium last
Valium can be detected in a urine test for up to 1 to 6 weeks. Blood tests for Valium can detect the drugs for up to 6 to 48 hours. Valium can be detected in a urine test for up to 1 to 6 weeks.