Ativan Detection Timelines [INFOGRAPHIC]

This infographic shows Ativan detection windows on urine, blood, hair and saliva tests. More on Ativan detection here.

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Drug Name: Ativan (lorazepam)
Drug Class: Depressants / Sedatives / Hypnotics
Street Names: Downers, Nerve pills, Tranks

Why Do Companies Drug Test?

Drug-testing is a procedure during which people are being tested for the presence of psychoactive drugs in their body.

Ativan Detection Timelines [INFOGRAPHIC]

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Q: So, why do companies order testing?

A: Mainly,to determine drug abuse patterns during hiring or as a safety precaution.

Another very important purpose of drug testing is to help address substance abuse problems within a business. But one of the primary reasons why employers send their employees for drug screening is to protect their business from the damage that drugs can inflict. Additionally, there are several reasons why some companies insist on drug testing their employees and these include:

  • Ethical urge to do what’s right
  • Legal protection
  • Morality
  • Productivity levels
  • Safety

Ativan Detection On Drug Tests

How long does Ativan stay in your system? The answer is relate to the amount of time lorazepam stays in your system and is metabolized. The average half-life of Ativan (on the FDA label for Ativan) in unconjugated lorazepam in human plasma is about 12 hours and for its major metabolite, lorazepam glucuronide, about 18 hours. Peak concentrations in plasma occur approximately 2 hours following administration.

Still, Ativan is detectable at various times according to the type of sample used in a drug test. Common samples and their detection times follow.

Urine: Ativan is detectable on a urine test between 4 and 9 days after the last use.
Hair: If you took Ativan even once and do a hair test, the results will show heroin presence even after 3 months of your last use.
Saliva: Oral fluid tests detect Ativan presence 8 hours after your last use.
Blood: Ativan shows on a blood test after your 3 days last use.


The results from your drug screening do not solely depend on the time you last took Ativan. The list of factors that can vary the detection window for lorazepam include your:

  • Age
  • Amount of use
  • Body mass
  • Food intake
  • Frequency of use
  • Hydration
  • Liver function
  • Metabolic rate
  • Sex

NOTE: Ativan detection times in urine, blood, and saliva are an average and can vary greatly from one person to another. The information in this infographic should be used as a general guideline only.

Got Questions?

Do you have questions about Ativan detection timelines? We welcome your questions and comments in the section below. Feel free to share a personal story and tell others your drug screening experience.

Additionally, if you are considering of looking for help about a heroin addiction problem don’t hesitate to ask for support. We try to provide personal and prompt responses to all legitimate inquiries. In case you like to learn more about drug testing and detection timelines, download our free guide here:


Reference Sources: FDA: Ativan
NCBI: Windows of detection of lorazepam in urine, oral fluid and hair, with a special focus on drug-facilitated crimes

About the author
Lee Weber is a published author, medical writer, and woman in long-term recovery from addiction. Her latest book, The Definitive Guide to Addiction Interventions is set to reach university bookstores in early 2019.
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