How Long Does Adderall Stay In Your System?

logo by Editorial Staff | Updated on September 22nd, 2023

If you’re taking Adderall, or are considering it, you might be wondering how long the drug stays in your system. Whether you’re a patient with ADHD, a concerned parent, or someone exploring the realm of performance-enhancing drugs, this guide aims to provide a thorough understanding of Adderall’s timeline within the human body.

What Is Adderall and How Does It Work?

Adderall is a prescription medication primarily used to treat Attention Deficit Hyperactivity Disorder (ADHD). It’s also found its way into less conventional uses, such as enhancing academic and athletic performance. When you take Adderall, it’s absorbed through your gastrointestinal tract and eventually metabolized by your liver. The drug is then excreted through urine, leaving your system within about 72 hours, depending on various factors which we’ll cover later.


How Is Adderall Detected?

Adderall can be identified in your system in several ways, each with its own timeframe for detection.

Blood Tests

A blood test can spot traces of Adderall up to 46 hours after you’ve taken the drug. Blood tests are more common in clinical or emergency settings, as they provide the most immediate indication of substances in your system.

Urine Tests

Urine tests are the most common and can detect Adderall for 48 to 72 hours after ingestion. Given that Adderall is mostly excreted through urine, the concentration of the drug is often higher in urine samples.

Saliva Tests

Saliva tests are less common but can identify the presence of Adderall from 20 to 50 hours after use. They are most commonly used in roadside sobriety tests.

Hair Tests

While not frequently employed for Adderall detection, hair follicle tests can reveal Adderall use up to three months after the fact. This form of testing is generally reserved for thorough investigations.

Factors Affecting Adderall’s Presence in Your System

Several variables can influence how long Adderall stays in your system, so let’s go through them one by one.

Usage Pattern

Frequent, long-term users of Adderall may find that it takes longer for the drug to completely exit their systems compared to those who use it sporadically or at lower doses.

pH Levels

The acidity of your urine can significantly affect how quickly you eliminate Adderall from your system. Foods and beverages can alter your urine’s pH level, making the drug stay in your system longer or shorter.

Physical Variables

Your age, weight, and gender can influence how long Adderall stays in your system. Metabolic rates differ among individuals, and these physical attributes play a role in how quickly the drug is processed.

Organ Function

Both the liver and kidneys are critical in removing substances like Adderall from your system. Any impairment in these organs can slow down the rate at which the drug is eliminated.

Drug Interactions

It’s essential to consider that other medications or substances can interact with Adderall, potentially affecting how long it remains in your system. For instance, antacids can slow down the elimination process, while certain types of acidifying agents, like ascorbic acid, can speed it up.

How to Speed Up the Elimination of Adderall

For various reasons, some people want to speed up the process of eliminating Adderall from their systems. While there’s no surefire way to do this, some strategies may help:


Drinking ample water can encourage faster excretion through urine. However, excessively diluting your urine can affect the reliability of drug tests, so balance is key.


While not a direct solution, regular exercise may support overall metabolic function, which in turn can lead to quicker elimination.


Consuming foods that make your urine more acidic might help speed up the elimination process. Some options include oranges, grapefruit, and tomatoes.

Risks and Safety Concerns

Before trying to speed up the elimination of Adderall from your system, consult a healthcare professional. Incorrectly attempting to remove the drug can lead to adverse health effects, such as dehydration or imbalances in electrolyte levels.

Summary and Key Takeaways

Understanding how long Adderall stays in your system can be crucial for anyone taking the drug, whether for medical purposes or otherwise. From detection methods like blood, urine, and saliva tests to variables like diet and drug interactions, several factors contribute to Adderall’s duration in the human body. If you’re considering speeding up the elimination process, it’s essential to consult a healthcare professional for personalized advice.


Knowing the ins and outs of how long Adderall remains in your system is more than just a scientific curiosity; it’s a practical necessity for many. If you’re under medication for ADHD, aiming to enhance your performance, or simply curious, having this knowledge allows you to make informed decisions about your health. Always consult your healthcare provider for the most accurate and personalized advice.


Editorial Staff

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