How do i know if this is normal for a 80mg dosage of vyvanse (lisdexamfetamine)?

Vyvanse (lisdexamfetamine) dose: The largest vyvanse (lisdexamfetamine) capsule is 70 mg, the equivalent of 30 mg of adderall. The largest capsule of Adderall is 54 mg, so it is not surprising that a person might be prescribed a dose of vyvanse (lisdexamfetamine) of 80 mg. Dose is dependent on a number of factors including age, size, rate of metabolism of medications, absorption and excretion.

This is a high dose.: Although many patients do require a higher dose of vyvanse, (lisdexamfetamine) 80 mg is a high dose and there is no scientific evidence that higher doses are any better. In fact, with higher doses comes the portential for more side effects. If the 80 mg is working well for you, as long as your are closely monitored by your prescribing physician (including possibly an ekg). A different medicaiotn may be warrented.