Key takeaways
Armodafinil (Nuvigil) and Vyvanse (lisdexamfetamine) are both prescription medications, but they serve different purposes and belong to different drug classes. Armodafinil (Nuvigil) is a wakefulness-promoting agent used to treat excessive sleepiness caused by narcolepsy, obstructive sleep apnea, or shift work disorder. Vyvanse (lisdexamfetamine), on the other hand, is a stimulant primarily used to treat attention deficit-hyperactivity disorder (ADHD) and moderate-to-severe binge eating disorder (BED) in adults. Armodafinil (Nuvigil) is a Schedule IV controlled substance, indicating a lower potential for abuse compared to Vyvanse (lisdexamfetamine), which is a Schedule II controlled substance with a higher risk of misuse and dependency. Both Armodafinil (Nuvigil) and Vyvanse (lisdexamfetamine) are available in a generic version. Both medications have side effects, but they differ; for example, armodafinil (Nuvigil) can cause fatigue and constipation, while Vyvanse (lisdexamfetamine) can lead to poor appetite and unintended weight loss. Additionally, Vyvanse (lisdexamfetamine) and armodafinil (Nuvigil) are not recommended for pregnant or breastfeeding women.
