OverviewDosageSide EffectsInteractionsHalf-Life

Generic Name: Lisdexamfetamine dimesylate

Brands: Vyvanse

Class: Amphetamine

Availability: Prescription required

Molecular Formula: C15H25N3O

Substance UNII: H645GUL8KJ

What is Vyvanse?

Vyvanse is an amphetamine. It is the brand name of the drug lisdexamfetamine. Vyvanse is a controlled substance (C-II).

What is Vyvanse Used For?

Vyvanse is for the treatment of attention deficit hyperactivity disorder (ADHD) in both adults and children and binge-eating disorder in adults. 

How Does Vyvanse Work?

Vyvanse is transformed after ingestion into a compound that triggers the release of neurotransmitters that help control mood and energy levels. 

How Long Does it Take for Vyvanse to Work?

Because Vyvanse requires enzymes to become active, it takes time to work. Most see results in about 14 hours. 

Do Not Use Vyvanse If:

There are several situations where this medication may not be the right choice for you. According to the FDA, the following should not use Vyvanse:

  • Known hypersensitivity to amphetamines or ingredients in Vyvanse
  • Have used monoamines oxidase inhibitors (MAOIs) within the previous 14 days
  • Vyvanse has a US Boxed warning– this medication has high potential for abuse, always monitor for signs of abuse and or dependence

Please note that this list may not be complete, and there may be other situations where the use of this drug is not advisable.

Disclaimer: this article does not constitute or replace medical advice. If you have an emergency or a serious medical question, please contact a medical professional or call 911 immediately. To see our full medical disclaimer, visit our Terms of Use page.

More about Vyvanse


Written by

Fact Checked by