How Long Does Valium Last (And Why)?

Exact Answer: 4 To 6 Hours

Valium is a medication used for sedation during surgery, fibromyalgia, seizure disorders, and anxiety or major stress when other treatments are not effective enough.

The exact amount of time it takes for valium to wear off depends on the person taking it. Drug addicts need more doses because their bodies build up tolerance of the drug faster than two average persons.

Valium is used to treat numerous conditions, including anxiety disorders, alcohol withdrawal symptoms, muscle spasms caused by multiple sclerosis or other conditions, seizures, and convulsions due to epilepsy or alcohol addictions and many more.

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How Long Does Valium Last?

Valium Effects Lasts for4-6 hours
Valium at its peak1-2 hours

Valium is a benzodiazepine with a half-life of 12 hours, meaning that if one takes it twice, the first will still be active in their system. Valium in the human body can last anywhere from 4 to 6 hours, depending on the dosage. However, it has a long life of 20 to 70 hours, which means it takes at least 6 weeks to remove valium from the body completely.

The factors that affect how long valium stays in the body are as follows: age, weight, body fat content, method of ingestion, metabolism rate, amount of the drug taken, other drugs in the body, and kidney and liver health.

If a person with known addiction abuses this particular kind of medication, they may find that they will require more of this type over time until they become fully addicted. 

When people feel they are running low on Valium, they quit altogether or share their prescription with someone else for an additional high. Many doctors will recommend that patients taper off before getting back to reality after prolonged use. 

A saliva test can detect Valium or its metabolites for 7-9 days after the last dose of the drug was taken. Blood tests are more reliable, but they are also more effective for long-term users.

Some who have tried this treatment plan say it helps to start by eating breakfast about 45 minutes before taking the last dose and discontinue use on weekends or family vacations when there’s more time off work and fewer responsibilities at home. 

Why Would Valium Last So Long?

There are many reasons why Valium may last so long. Some of the common reason includes:

  1.  Valium is a potent benzodiazepine that is used to treat anxiety disorders and sometimes with other medications in the management of acute seizures. It binds to specific sites on brain cells where it causes decreased excitability, depression, mood elevation, among others. 
  2. Benzos like Valium affect memory centers that produce stress hormones. Those memories then get pushed out or suppressed from being recalled into consciousness – including nightmares – since tranquilizers have reduced those cortisol levels. 
  3. Studies have shown the drug to be an effective anxiolytic for various types of anxiety disorders with few negative side effects when taken correctly without overdose.
  4. The sedative effects can lead to a greater propensity for memory loss and hallucinations. The treatment should only be taken over a short time unless prescribed otherwise by a medical professional. 

Valium is a drug that has been on the market for over 20 years, and there are still many people that don’t understand how it works on the body or why some people experience long-term benefits. 

The addictive model for this drug includes three patterns: initial abstinence with protracted withdrawal, intermittent use alternating with abstinence, and continuous use without discontinuation. 

While Valium is prescribed to calm the central nervous system, doctors use it for various other reasons. In these cases, doctors prescribe Valium for other uses because of its sedating properties that help people cope with chronic pain or other discomforts.


It’s important to note that if one takes valium for a different reason than what the doctors prescribe it for, they should not take it regularly and never more than one dose per day. 

One should also make changes in their lifestyle habits and contact the doctor immediately if there are notable side effects from the medication. 

With these precautions in place, using this drug may be beneficial when doctors have prescribed this medicine to treat; extended use can cause unnecessary side effects that the user needs to battle for long. Research suggests that many have an addictive disorder from this valium. 



Last Updated : 23 February, 2024

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