What is metilfenidato used for?

The main difference between Adderall and Vyvanse is that Adderall is a mixture of four different kinds of amphetamine salts (one of which is dextroamphetamine) while Vyvanse only contains one type of amphetamine salt, called lisdexamfetamine. Lisdexamfetamine gets converted into dexamphetamine once it is in the body. One advantage of Vyvanse is that it may be less likely to be abused; although it is slightly more expensive than Adderall, although both have generic forms available. Because both drugs contain amphetamines, they work in a similar way. Studies have shown that Vyvanse is just as effective as Adderall, and side effects, including the risk of dependence, are similar. Continue reading

For ADHD: In adults, Vyvanse was shown in clinical studies to improve attention at 2 hours and up to 14 hours after taking a dose. In children aged 6-12, Vyvanse was shown to start working within 1.5 hours and up to 13 hours after the morning dose. For binge eating disorder, it can take up to 12 weeks for patients to show a significant reduction in their number of binge days per week. Continue reading

In general, schedule II controlled substance prescriptions cannot be refilled and expire after 6 months. Schedule III or IV prescriptions may not be filled or refilled more than 6 months after the written date OR refilled more than 5 times, whichever comes first. Schedule V controlled substances may be refilled as authorized. Laws may vary by state. Continue reading