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How Long Does Adderall Stay in One’s System? Drug Tests and Timeline

how long adderall stays in urine, blood, saliva, hair

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Adderall is a prescription drug administered to both adults and children suffering from attention deficit hyperactivity disorder (ADHD). Since it is a potent stimulant, people also use this drug to enhance productivity and alertness. However, it might negatively affect the body system as it influences all the organs. That said, Adderall use in pregnancy is not recommended as it stays in system for a relatively long period and can affect the fetus.
There are two variants of this stimulant; Adderall IR (immediate release) and Adderall XR (extended release). Most of the abusers of this drug, wrongly assume that the drug is safe because it is prescribed by doctors. Others resort to snorting Adderall XR for immediate effects. This can be harmful to one’s system in the long run.

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Table of Contents

What Factors Influence How Long Adderal Stays in System?

Following ingestion, Adderall IR peaks after 3 hours while XR takes about 7 hours. This notwithstanding, Adderall half-life is almost the same for both variants, lasting between 9 and 14 hours in one’s system.
There are many ways of taking the drug such as oral, intravenous, nasal, and rectal. Plugging Adderall is considered to be widespread for the recreational purposes as it allows to get higher faster. However, the type of intake does not affect the amphetamine half-life and elimination timeline.

Taking Adderal for recreational purposes refers to drug abuse. It is legally prosecuted and endangers one’s health.

If one is interested in knowing how long Adderall stays in system the answer is, it all depends. There are several factors that determine this duration. Some of them are:

  • Age – A young person actively eliminates this stimulant from their system faster compared to an older person.
  • Kidney and Liver Health – People with kidney or liver problems take much longer to get rid of this drug from their body.
  • Body Type – Low levels of muscle mass and high levels of body fat are favorable factors associated with the faster elimination of this drug. Shorter people are also at an advantage compared to taller ones.
  • Urinary pH Levels – People with high pH levels in their urine take a long time to excrete this drug from their system.
  • Metabolism – An active metabolic rate shortens the time to eliminate the stimulant from the body. However, active drug users especially young people learning how to smoke Adderall may overburden their metabolic system.
  • Genetics – Genetically, some people are predisposed to get rid of Adderall faster from their system. This is because of the rate of activity of a drug metabolizing enzyme known as CYP2D6.
  • Food and Water Intake – Drinking lots of water tasks the kidney to excrete waste at a much higher rate. In the process, the drug is also eliminated from the body. Try taking Adderall on an empty stomach if one can because this also speeds up its removal.
  • The Type of Adderall Taken – The immediate release variety is usually eliminated faster than the extended release type. However, those looking for Adderall for sale shall know that Adderall XR half-life doesn’t differ so much from IR.
  • The Frequency of IntakeAdderall pills in the bottle Since the drug stays in the system for a much longer period, frequent intake may cause an accumulation of metabolites that take longer to eliminate. However, the longer elimination period is not the biggest danger – frequent users are also likely to overdose Adderall.
  • Other factors that play a role in determining how long is Adderall in the system include dosage and the combination of other substances in the body. For example, Adderall and weed taken together might slower the elimination of both the substances.

How Long Does Adderall Stay in Urine?

Depending on the quantity of Adderall one take into the system, the question of how long Adderall stays in urine can have varying answers. On average, an Adderall urine test can show positive results for approximately 2 to 4 days following ingestion.
Does Adderall show up in a drug test? Yes, chronic users of the drug can test positive in urine samples for up to 7 days, according to findings from the National Highway Traffic Safety Administration.

How Long Does Adderall Stay in Blood?

The immediate release variety has higher bioavailability. After immediate ingestion, it produces peak plasma concentrations in the body in just 3 hours. On the other hand, Adderall 10 mg XR variety produces a peak concentration in the plasma 6 hours after ingestion.

How Long Does Adderall Stay in Hair?

The decomposition of this drug in the body results in several metabolites. Tests done on hair show traces of this drug even a month after taking the last dose. In average, Adderall removes from hair within 90-days period.

How Long Does Adderall Stay in Saliva?

On average, tests conducted show that the drug can stay in saliva for up to 24 hours. The Food and Drug Administration is yet to approve saliva tests to establish the presence of this drug in the body. However, the saliva Adderall drug tests are possible.

What Drug Tests Are Used For Adderall?

Employers have an obligation to comply with workplace safety measures one of which is to design a drug-free workplace. To facilitate this, they conduct regular tests as part of their pre-employment regulations, periodic, and random tests to deter drug use and occasionally testing employees upon reasonable suspicion. Adderall abuse can be examined through the following types of drug tests.

Urine Testing

This type of Adderall drug test is suitable for all scenarios from pre-employment to post-accident. Through this, one can detect new or recent drug use in the system for up to 3 days from the last dose. Urine is the only federally-mandated specimen for testing the drug in the safety-sensitive workforce. It gives a fairly accurate estimate that addresses the query on how long does Adderall stay in urine.

Oral Fluid Testing

This screening method is commonly utilized and helps to detect drug use in one’s system within 24 to 36 hours after ingestion. Employers administer oral fluid collections under the direct watch of a test administrator. This reduces chances of donor tampering.

Hair Follicle Testing

doctor making hair follicle drug test for AdderallThe longer detection window hair testing provides enhanced its appeal. Through this mode of testing, one can detect a drug use history of up to 90 days in the body. However, hair testing mainly shows a pattern of use as opposed to recent drug usage.
It is not easy to adulterate the collection of samples for testing or cheating on drug use by quitting Adderall in advance before the test.
However, the hair test for Adderall is not very reliable in the short-term perspective as it does not show the drug traces if Adderall was consumed less than seven days ago.

How to Eliminate Adderall from System Faster?

To help one analyze drug usage for the employees, a blood test can be conducted. However, this test is effective within 12 to 24 hours after the drug intake. It is not recommended for a duration longer than this as before and after that time limit test is unlikely to show a positive result.

How to Eliminate Adderall From System Faster

How long does it take for Adderall to get out of one’s system? This largely depends on the detox procedure. This notwithstanding, one can facilitate the elimination of this drug from the system post-administration. Below are a few ways to do this.


Water is very effective in eliminating this stimulant from the body mainly because of its solubility. The higher water content in the body prevents the drug from being stored in fatty tissues. Water intake also helps to dilute saliva and urine thus decreasing the concentration of the drug together with its metabolites.
The best way on how to get Adderall out of one’s system fast is to increase the quantity of water one drinks.

Vitamin C

Science has a rule that the more acidic urine is, the faster the drug will leave the system. Vitamin C helps in acidifying urine thus eliminating the drug from the body. One can go for vitamin C supplements or natural juices immediately after intake.

Weaning Off Gradually

This is one of the natural ways on how to get Adderall out of the system. Instead of an abrupt withdrawal that may come with undesirable symptoms, the best approach is to wean off under medical supervision slowly. Reducing the dosage over time can fight off dependency and Adderall addiction.

Getting Help With Removing Adderall From System

How long does it take for Adderall to leave the system? One should also appreciate that quitting this drug on own can be such a challenge because of the withdrawal symptoms and other side effects of Adderall. Instead of quitting “cold turkey,” get help from experienced professionals.
People addicted to the stimulant have a wide range of treatment options including addiction rehabilitation centers for those with longer Adderall abuse histories. In addition, some practitioners may suggest l tyrosine for Adderall comedown and withdrawal symptoms.
It is possible to get treatment through cognitive behavioral therapy sessions combined with other treatment modules. Every patient deserves a tailored drug addiction treatment procedure that works for them.

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  1. James M. Swanson. Long-acting stimulants: development and dosing. Can Child Adolesc Psychiatr Rev. 2005. 4-9.
  2. Cody JT, Valtier S, Nelson SL.Amphetamine enantiomer excretion profile following administration of Adderall. J Anal Toxicol. 2003.
Medically Reviewed By Michael Espelin APRN
Isaak Stotts

About Author

Isaak Stotts, LP

Isaak Stotts is an in-house medical writer in AddictionResource. Isaak learned addiction psychology at Aspen University and got a Master's Degree in Arts in Psychology and Addiction Counseling. After graduation, he became a substance abuse counselor, providing individual, group, and family counseling for those who strive to achieve and maintain sobriety and recovery goals.


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