Equivalent Dose of Vyvanse for 20mg Adderall

Conversion Rationale

• The American College of Obstetricians and Gynecologists recommends a starting dose for Vyvanse of 20-30mg once daily, which can be increased by 10mg weekly to a maximum of 70mg daily 1, 2
• The usual starting dose for Adderall is 10mg once daily, which can be titrated by 5mg weekly up to 50mg 1

Dosing Algorithm

• A conversion factor of approximately 2.5:1 (Vyvanse:Adderall) can be applied when converting from Adderall to Vyvanse, resulting in a dose of 50mg Vyvanse for a patient taking 20mg of Adderall 1, 2

Monitoring and Adjustments

• The maximum recommended dose of Vyvanse is 70mg daily, and dosage can be adjusted in 10mg increments at weekly intervals if needed 1, 2