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How Long Does Adderall Stay in Your System?

Adderall is a prescribed drug utilized for managing attention deficit hyperactivity disorder (ADHD). It functions as a stimulant, enhancing the quantities of dopamine and norepinephrine in the brain. These neurotransmitters play a role in concentration, alertness, and drive.

Adderall is available in two forms: immediate-release and extended-release. You take immediate-release Adderall once or twice a day and extended-release Adderall once a day.

The effects of Adderall can vary from person to person. Generally, it can increase alertness, improve concentration, and decrease hyperactivity and impulsivity. It may also enhance cognitive abilities, such as memory and learning.

Adderall is often misused due to its stimulating effects and as a study aid. In this article, we'll be looking at all you need to know about Adderall, including how long will Adderall stay in your body.

Adderall Absorption and Distribution in the Body

After ingestion, the digestive tract quickly absorbs Adderall into the circulatory system. The small intestine primarily absorbs the active ingredients in Adderall, which are amphetamine salts.

After the body absorbs it, Adderall is spread throughout the body by the bloodstream. It can go through the blood-brain barrier, affecting the central nervous system and neurotransmitters. Adderall quickly reaches its intended places in the body and creates the desired therapeutic effects.

Adderall's metabolism can differ in people because of genes, age, and other drugs that can impact CYP450 enzyme activity. Some individuals may have variations in these enzymes, leading to slower or faster metabolism of Adderall. Differences affect how long Adderall works and how quickly it leaves the body. There are also several additional factors that can influence the elimination of Adderall from the body:


  • Dosage and Formulation: The dosage and formulation of Adderall can affect its elimination. Higher doses may take longer to eliminate than lower doses. Extended-release formulations release the medication slowly over time, resulting in a longer duration of action and potentially slower elimination.

  • How fast Adderall leaves the body can vary based on a person's metabolism, which differs from one individual to another. Factors such as age, liver function, body weight, and genetics can influence an individual's metabolism and, consequently, the elimination of Adderall.

  • Urinary pH: The pH level of the urine can influence the elimination of Adderall. Alkaline urine tends to enhance the elimination of amphetamines, while acidic urine can slow down elimination.

  • Concurrent Medications: Certain drugs can change how Adderall is processed in the body by affecting certain enzymes. This, in turn, can affect the speed at which Adderall is removed from the body.

Medically Reviewed:


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Expert Contributor

Dr. Williams presently serves on the board of Directors for two non-profit service organizations. He holds a Master’s degree in Human Services from Lincoln University, Philadelphia, Pa, and a Ph.D. with a concentration in Clinical Psychology from Union Institute and University. In Cincinnati, Ohio. He is licensed to practice addictions counseling in both New Jersey and Connecticut and has a pending application as a practicing Psychologist in New Jersey.

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Detection of Adderall in Different Body Samples

Adderall is a prescription stimulant that is highly addictive and can cause addiction if used for a long time. It is tested in various body samples due to the widespread use of prescriptions. These tests help detect the presence of Adderall in the body.

Urine Testing and Adderall Detection

Urine testing is one of the most common methods used to detect the presence of Adderall in the body. When a person takes Adderall, their liver metabolizes it, and their kidneys excrete it into the urine. Urine samples can detect the metabolites of Adderall, such as amphetamine and its breakdown products.

Urine tests can generally detect Adderall within 1 to 3 days after the last use. However, individual factors like metabolism and dosage can affect the detection window. Some urine tests can detect Adderall for a longer time than others, depending on how sensitive the test is.

Blood Testing and Adderall Detection

Blood testing can also be used to detect Adderall in the body. When a person ingests Adderall, their body rapidly absorbs it into the bloodstream. Blood tests can measure the concentration of Adderall and its metabolites directly.

Adderall stays in the blood for a shorter time than in urine. It can be detected within a few hours to a day after use. The body breaks down and removes Adderall from the blood quickly, so it doesn't stay there for long.

Saliva Testing and Adderall Detection

Saliva testing is a way to find Adderall in the body. Adderall and its leftovers can be found in saliva because it is in the blood. Saliva tests can find Adderall faster than urine and blood tests. It can usually be detected within a few hours to a day after using it.

Hair Testing and Adderall Detection

Hair testing is not commonly used to detect Adderall use. However, it can detect it for a longer time than other methods. When Adderall is broken down in the body, it can get into the hair follicles in small amounts.

Hair samples are collected and analyzed to determine the presence of Adderall. The drug can be detected in hair for a long period of time.

The duration of detection varies from months to years. The length of the hair sample determines the exact duration. Hair tests don't show recent drug use but are good for finding long-term drug use patterns.

Duration of Adderall's Effects

There are a few reasons why it is important to know how long Adderall stays in your system. First, if you are taking Adderall for ADHD, you need to know how long it will last to take it regularly. Second, if you are taking Adderall for other reasons, such as narcolepsy or obesity, you need to know how long it will stay in your system so that you can avoid taking it too close to the time of a drug test.

After taking Adderall, the effects usually begin within 30 minutes to an hour, depending on the person and the medication type. The immediate effects of Adderall can include increased alertness, improved focus and concentration, decreased impulsivity, and elevated mood.

However, Adderall has a relatively short duration of action. The immediate-release formulation of Adderall usually lasts around 4 to 6 hours. This means that the peak effects are experienced within the first few hours, and the medication gradually wears off afterward.

Adderall takes about 10 to 12 hours to clear half of the drug from the body. This means that it takes approximately 10 to 12 hours for half of the active ingredients in Adderall to be eliminated.

However, the duration of Adderall's effects can vary due to differences in how our bodies metabolize it and other factors. In some cases, these effects can last for up to 46 hours. Some of these factors include:


  • Dosage and frequency of Adderall use: Higher amounts of Adderall may take more time to be broken down and removed from the body than smaller amounts. Using Adderall frequently or for an extended period can lead to the drug and its byproducts building up in the body. This accumulation can result in a longer duration of the drug staying in the system.

  • Individual metabolic rate and body composition: People with a fast metabolism get rid of Adderall quicker than those with a slow metabolism. Body composition, like BMI and body fat percentage, can also impact how Adderall is distributed and eliminated.

  • Interactions with other substances: Certain drugs can slow down or speed up the breakdown of Adderall by affecting the enzymes that process it. Tell healthcare professionals about other medications or substances taken with Adderall to prevent possible interactions.

Rolling Hills Recovery Center offers free 24/7 Adderall addiction support. Call today and confidentially speak with our addiction specialists at 855-559-8550.

How to Speed Up Adderall Elimination

Natural Methods and Lifestyle Changes

Natural methods can help with health and elimination but may not speed up Adderall elimination by themselves. The impact of Adderall's removal from the body depends on personal factors and how the drug works.


  • Hydration: Staying well-hydrated can help support kidney function and facilitate the elimination of Adderall and its metabolites. Drinking adequate water throughout the day can assist in flushing out the drug from the system.

  • Physical activity: Regular exercise boosts metabolism and helps remove toxins from the body. Consult with a healthcare professional to determine suitable physical activities based on individual circumstances.

  • Healthy diet: Eating a healthy diet with fruits, veggies, whole grains, and lean proteins can help your liver and overall health. A healthy liver is essential for efficient drug metabolism and elimination.

  • Avoiding alcohol and other substances: Alcohol and certain substances can interact with Adderall and affect its metabolism. Avoid alcohol and other substances when taking Adderall to reduce interactions and help it leave the body faster.

  • Adequate sleep: Getting sufficient sleep can support overall health and well-being. Restful sleep can contribute to healthy metabolism and assist in the elimination of Adderall from the system.

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Medical Intervention and Assistance

To speed up getting rid of Adderall or deal with worries about it in your body, talk to a doctor. They can provide appropriate guidance and interventions based on individual circumstances. Medical interventions may include:

  • Adjusting dosage or discontinuing use: Doctors can change the amount of Adderall or stop using it if necessary, depending on the person's needs, symptoms, and situation.

  • Supportive therapies: Sometimes, doctors suggest treatments to help the body get rid of waste naturally. This can involve improving the liver or kidney function if needed.


It is important for people with ADHD to know how long Adderall stays in their body. This information is also important for those concerned about drug tests or medication use.

Adderall's duration in the body varies based on factors such as dosage, frequency of use, and individual differences. It is believed to have an average half-life of 9 to 14 hours. It is thought to have an average half-life of 9 to 14 hours. However, anyone using Adderall should follow their healthcare practitioner's instructions and be aware of the medication's risks, benefits, and effects.


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How to Speed Up Adderall Elimination
Medical Intervention and Assistance

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Hair Testing and Adderall Detection
Saliva Testing and Adderall Detection
Natural Methods and Lifestyle Changes
Duration of Adderall's Effects
Blood Testing and Adderall Detection
Urine Testing and Adderall Detection
Detection of Adderall in Different Body Samples
Adderall Absorption and Distribution in the Body

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