Adderall Midday Dosing for ADHD
Standard Dosing Schedule
- The American Academy of Child and Adolescent Psychiatry recommends that Adderall can be dosed at midday if the morning dose does not provide adequate symptom control throughout the school or work day, with the midday dose typically given 4-6 hours after the first morning dose 1
- A typical pattern is to start with a morning dose and add a noon dose if symptoms are not controlled through the entire school day, with a third dose after school possibly added to help with homework and social activities 1
- Maximum daily dose rarely needs to exceed 40 mg in children, though some adults may require up to 40-50 mg total daily dose divided across multiple administrations, according to the American Academy of Child and Adolescent Psychiatry and other guidelines 1, 2
When to Add Midday Dosing
- Add a midday dose when the morning dose wears off before the end of the school/work day, as evidenced by return of ADHD symptoms in the afternoon, as recommended by the American Academy of Child and Adolescent Psychiatry 1
- The American Academy of Child and Adolescent Psychiatry also suggests adding a midday dose when rating scales from teachers show poor afternoon performance despite adequate morning control, or when the patient requires symptom coverage for homework, after-school activities, or evening driving 1, 3
Alternative to Midday Dosing
- Before adding a midday dose, consider increasing the morning dose, as evidence shows this can extend duration of action, according to the American Academy of Child and Adolescent Psychiatry 1
- The American Academy of Pediatrics recommends considering long-acting formulations, such as Adderall XR or lisdexamfetamine/Vyvanse, to eliminate the need for midday dosing entirely 3, 4
Monitoring Requirements
- Obtain standardized ADHD rating scales from both parents and teachers before each dose adjustment to objectively guide titration decisions, as recommended by the American Academy of Child and Adolescent Psychiatry 1
- Assess blood pressure, pulse, height, and weight at each visit, as stimulants affect cardiovascular parameters and growth, according to the American Academy of Child and Adolescent Psychiatry and other guidelines 1, 4
Special Populations
- For adolescents, ensure medication coverage extends into late afternoon/evening hours to address driving safety concerns, as recommended by the American Academy of Pediatrics 3
- Consider longer-acting preparations or strategic timing of short-acting afternoon doses for adolescents who drive, and monitor them closely for signs of medication diversion or misuse, according to the American Academy of Pediatrics 3