ADHD Home > Adderall XR Dosing

For people with ADHD, guidelines for dosing with Adderall XR will vary, depending on factors such as age and if any other medications are being taken. In general, the healthcare provider starts with a low amount and increases the dosage slowly, and only if necessary. Adderall XR is designed to be taken in the morning; if it is taken later in the day, it can cause problems sleeping.

An Introduction to Adderall XR Dosing

The dose of Adderall XR® (amphetamine-dextroamphetamine extended release) your healthcare provider prescribes will vary, depending on a number of factors, including:
  • Your age
  • Other ADHD medications you may have tried
  • Other medical conditions you may have
  • Other medications you may be currently taking.
As is always the case, do not adjust this amount unless your healthcare provider specifically tells you to do so.

Dosage of Adderall XR for ADHD

Refer to the following table for the recommended Adderall XR dose based on a person's age.



6 to 12 years

10 to 30 mg once daily

13 to 17 years

10 to 20 mg once daily


20 mg once daily

Generally, a lower amount of Adderall XR should be tried first. Also, the Adderall XR dosage should be increased slowly and only if necessary.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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