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How Long Does Adderall Last?

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How long does Adderall last? This is a common question among individuals who are prescribed it for attention deficit hyperactivity disorder (ADHD) or narcolepsy, as well as those who use it recreationally to increase their energy, focus, or productivity. Understanding its duration and how to use it safely is important for both groups of individuals.

  • It’s extremely important to follow your doctor’s instructions and only take it as insrtucted.
  • Never use it for non-medical purposes.

The answer to this question depends on several individual variables, including;

  • physical activity
  • metabolism
  • dietary intake
  • body chemistry


  • Immediate (IR) tablets and capsules typically last for around 4-6 hours.
  • Extended(XR) capsules can last for up to 12 hours.

Mydayis, a different formulation, can last for up to 16 hours.

What Is It?

It is a medication prescribed for attention deficit hyperactivity disorder (ADHD) and narcolepsy. However, it is also used recreationally by some individuals to increase their energy, focus, or productivity. it’s important to use it safely.

It stimulates the central nervous system to generate extra norepinephrine, dopamine, and adrenaline, which increase energy, focus, mood, and control behavior. However, it can also cause reactions such as increased heart rate, blood pressure, sweating, dry mouth, nausea, and anxiety.


The absorption rate by the body is called bioavailability, and the main factor influencing it is the pH level of the gastrointestinal system. The gut absorbs the drug less when the system is more acidic. Following ingestion, between 15 to 40 percent of the drug circulates in the bloodstream, where it binds to plasma proteins and goes into most of the body’s soft tissues. The peak bioavailability is reached with higher brain tissue and cerebrospinal fluid concentrations.


Abruptly stopping the use of this drug can result in withdrawal symptoms such as cravings, insomnia, panic attacks, heart palpitations, depression, and suicidal thoughts. Severe withdrawal symptoms may require professional intervention, and there is no medication to help with withdrawal. Seek medical and psychological support.

Peak time

The peak time refers to the time period when the medication’s effects are at their strongest. For immediate type capsules, the peak time is typically 1-2 hours after the medication. For extended formulas, the peak time is usually 4-7 hours after ingesting the medication.

It is important to note that consuming more than the recommended total is dangerous and increase the risk of side effects, including heart problems, addiction, and death. Always follow your doctor’s instructions and do not exceed it without consulting your doctor first.


This drug is a stimulant medication that is known to increase wakefulness and alertness. While it is commonly used to treat conditions such as ADHD and narcolepsy, which can cause excessive sleepiness or fatigue, it can also have the opposite effect and make it difficult to fall asleep. It is important to take it only as directed and to avoid taking it late in the day to minimize the risk of insomnia or other sleep disturbances.

See how to pass an Adderall drug detection test.

See a comparison with Ritalin here.

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