Vyvanse vs. Intuniv

See how Vyvanse and Intuniv compare on approved uses, dosing, side effects, and cost.

Key Takeaways

  • Vyvanse is a stimulant approved for ADHD in ages 6 and up and for binge eating disorder in adults, while Intuniv is a non-stimulant approved only for ADHD in children and teens.

  • Intuniv can be added to a stimulant like Vyvanse to boost ADHD control, since the two drugs work through completely different mechanisms.

  • Vyvanse carries a boxed warning for abuse potential as a Schedule II controlled substance, while Intuniv has no abuse risk but can cause low blood pressure and drowsiness.

Vyvanse vs. Intuniv Drug Summary

Vyvanse

Vyvanse (lisdexamfetamine) is a CNS stimulant that increases dopamine and norepinephrine activity in the brain. It is FDA-approved for ADHD in people 6 and older and for moderate to severe binge eating disorder in adults. It comes as a once-daily capsule or chewable tablet taken in the morning.

Intuniv

Intuniv (guanfacine) is a non-stimulant that activates alpha2A-adrenergic receptors in the brain to improve attention and impulse control. It is FDA-approved for ADHD in children and adolescents ages 6 to 17, either alone or added to a stimulant. It is taken once daily as an extended-release tablet.

Vyvanse vs. Intuniv Side Effects

Vyvanse

Most common
Decreased appetite (up to 27%)
Dry mouth (up to 23%)
Insomnia (up to 16%)
Anxiety (up to 8%)

Intuniv

Most common
Somnolence (up to 38%)
Headache (up to 24%)
Fatigue (up to 14%)
Abdominal pain (up to 11%)

Vyvanse vs. Intuniv Dosage

Vyvanse

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 30 mg once daily Week 1
Maximum dose 70 mg once daily Week 4 onward
Dose changes 4 increases Every week

Intuniv

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 1 mg once daily Week 1
Maximum dose 4 mg once daily Week 4 onward
Dose changes 3 increases Every week

Vyvanse vs. Intuniv Indications

Vyvanse

Vyvanse is FDA-approved to treat ADHD in patients 6 years and older and moderate to severe binge eating disorder in adults. It is not approved for weight loss or general obesity treatment. As a stimulant, it directly targets core ADHD symptoms like inattention and hyperactivity.

  • ADHD in children, teens, and adults

  • Moderate to severe binge eating disorder in adults

  • Not approved for weight loss

  • Available as capsule or chewable tablet

Intuniv

Intuniv is FDA-approved for ADHD in children and adolescents ages 6 to 17, used either alone or alongside a stimulant medication. It is not FDA-approved for ADHD in adults, though doctors sometimes prescribe it off-label for that use. Its non-stimulant mechanism makes it an option for kids who cannot tolerate stimulants.

  • ADHD monotherapy in ages 6 to 17

  • Add-on therapy with stimulants in ages 6 to 17

  • Off-label use in adults with ADHD

  • Not approved for weight-related conditions

Vyvanse vs. Intuniv Pros and Cons

Vyvanse

Vyvanse is a well-established stimulant with strong evidence for reducing core ADHD symptoms and is the only stimulant approved for binge eating disorder. Its Schedule II status brings extra prescribing rules and closer monitoring for misuse.

Pros

  • FDA-approved for ADHD in adults, not just children

  • Only stimulant approved for binge eating disorder

  • Available as both capsule and chewable tablet

  • Prodrug design linked to lower misuse potential when snorted or injected

Cons

  • Schedule II controlled substance with abuse potential

  • Boxed warning for serious cardiovascular risk

  • Can cause insomnia and appetite suppression

  • Requires monitoring for new or worsening psychiatric symptoms

Intuniv

Intuniv offers a non-stimulant option for ADHD, useful for children who cannot take stimulants or who need added symptom control alongside one. It requires gradual tapering to avoid rebound high blood pressure and can cause drowsiness that affects daily activities.

Pros

  • No abuse potential or controlled-substance status

  • Can be combined with a stimulant for added benefit

  • Lower risk of appetite suppression or insomnia

  • Once-daily dosing with morning or evening flexibility

Cons

  • Only approved for ages 6 to 17, not adults

  • Requires tapering to avoid rebound hypertension

  • Somnolence and fatigue are common side effects

  • Needs blood pressure and heart rate monitoring

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