Vyvanse starts working to improve symptoms of ADHD in children within about 90 minutes to two hours after taking a dose. This ...

and associated signs and symptoms. Advise patients about the risk for serotonin syndrome with concomitant use of Vyvanse and other serotonergic drugs including SSRIs, SNRIs, triptans, TCAs ...

100 milligrams of Vyvanse, or 30 milligrams of dextroamphetamine—were more than five times more likely to develop psychotic ...