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How Long Does Adderall Last?

Clinically Reviewed by: Dr. Robin Campbell, LMFT, PHD

If you or a loved one are considering or currently using Adderall for ADHD or other medical conditions, it’s crucial to understand how long its effects last. At New Hope Healthcare Institute, we prioritize providing valuable information to help you make informed decisions about medications and treatments.

The Designation of Adderall

Adderall is a commonly prescribed medication for attention deficit hyperactivity disorder (ADHD) and narcolepsy. It contains two active ingredients: amphetamine and dextroamphetamine. These stimulants work by increasing certain chemicals in the brain that help with focus, attention, and impulse control.

How Long Does Adderall Last?

The duration of Adderall’s effects can vary from person to person, but generally, it lasts between 4 to 6 hours for the immediate-release (IR) version. However, there are different formulations of Adderall, each with its own unique duration:

  • Immediate-Release (IR): Lasts approximately 4 to 6 hours.
  • Extended-Release (XR): Can last up to 12 hours.
  • Vyvanse: Provides a sustained effect for up to 14 hours.

The actual duration will depend on factors such as your metabolism, dosage, and overall health.

Factors Influencing Duration

Several factors can influence how long Adderall lasts in your system:

  • Dosage: Higher doses may have longer-lasting effects.
  • Metabolism: Individuals with faster metabolisms may experience shorter durations.
  • Individual Variability: Everyone’s body responds differently to medications.
  • Tolerance: Over time, your body may develop tolerance, affecting the duration of effectiveness.

When to Take Adderall

To make the most of your Adderall prescription, it’s crucial to take it at the right time. Here are some tips:

  • Follow Your Doctor’s Instructions: Always adhere to your prescribed dosage and timing.
  • Avoid Late Evening Doses: Taking Adderall too late in the day can interfere with sleep.
  • Stay Hydrated: Dehydration can affect medication absorption and duration.
  • Monitor for Side Effects: Report any adverse effects to your healthcare provider.

Call Us for Expert Guidance

If you have concerns or questions about your Adderall medication or are seeking treatment for ADHD or dual diagnosis, New Hope Healthcare Institute is here to help. Our experienced professionals can provide personalized guidance and support to address your unique needs. Call us at 866-806-1027 to get started on your journey towards a healthier, happier life. Check out our blog where we post weekly on Medium.


Adderall can be prescribed to teens, but it should be carefully monitored by a healthcare professional.

It is generally advised to avoid alcohol while on Adderall, as it can increase the risk of side effects and interactions.

Common side effects include insomnia, loss of appetite, and increased heart rate. However, individual experiences may vary.

Adderall has a potential for dependence and addiction, especially when used improperly. Always follow your doctor’s guidance.

Speak to your healthcare provider about adjusting your dosage or timing to minimize sleep disturbances while on Adderall.

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