Compare Vyvanse vs. Kapvay

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Kapvay (clonidine)

Prescription only
Helps you focus and stay alert.

Vyvanse (lisdexamfetamine) is a first-choice treatment for attention-deficit/hyperactivity disorder, but it can be expensive since it's only available as a brand name product.

3.7/ 5 average rating with 491 reviewsforVyvanse
Treats attention deficit hyperactivity disorder.

Kapvay (clonidine) is one of the few medicines for ADHD that isn't a stimulant and not addictive, but it can lower your blood pressure.

Upsides
  • Vyvanse (lisdexamfetamine) is a first-choice medication to treat attention-deficit/hyperactivity disorder (ADHD).
  • It is usually dosed once a day, so parents don't need to send the medication with their children to school.
  • Can take the capsule as a whole or mix the contents with water, orange juice, or yogurt.
  • Available as a chewable pill form.
  • Can be used alone or together with a stimulant-type medicine to treat ADHD.
  • Also treats blood pressure and some nervous system and psychiatric conditions.
  • Kapvay (clonidine) is available in generic.
Downsides
  • Need to take Vyvanse (lisdexamfetamine) in the morning, otherwise it can cause difficulty sleeping at night.
  • Vyvanse (lisdexamfetamine) is not available as a generic medication, so it is expensive.
  • This medicine has the potential for abuse and dependence.
  • Can cause serious side effects for the heart.
  • Can also slow growth in children and cause weight loss.
  • Kapvay (clonidine) is not a first choice medicine to treat ADHD.
  • Kapvay (clonidine) can make you feel very dizzy or cause low blood pressure.
  • Stopping Kapvay (clonidine) suddenly can cause your blood pressure to jump and your heart to beat very fast.
  • It can take up to two weeks of taking Kapvay (clonidine) to notice any changes in behavior.
  • Kapvay (clonidine) has to be swallowed whole, which can be hard for some children to do.
Used for
Dosage forms
  • Pill
  • Extended release
Price
Want to save even more money?
Sign up now for a 30-day trial and save up to 95% at CVS, Kroger, Albertsons, and other pharmacies.
Reviews
491 reviews so far
67%
saidit'sworth it
49%
saiditworked well
17%
saidit'sa big hassle

Have you used Vyvanse (lisdexamfetamine)?

Leave a review
Not enough review data.Leave a review
Side effects
15possible side effects
  • Decreased appetite
    27%
  • Difficulty sleeping
    27%
  • Dry mouth
    26%
  • Diarrhea
    7%
  • Nausea
    7%
  • Anxiety
    6%
  • Loss of appetite
    5%
  • Feeling jittery
    4%
  • Agitation
    3%
  • Increased blood pressure
    3%
  • Sweating
    3%
  • Restlessness
    3%
  • Difficulty breathing
    2%
  • Increased heart rate
    2%
  • Tremor
    2%
See more detailed side effects
12possible side effects
  • Sleepiness
    19%
  • Fatigue
    14%
  • Headache
    7%
  • Upper abdominal pain
    7%
  • Decreased appetite 
    6%
  • Dizziness
    5%
  • Insomnia
    4%
  • Aggression
    2%
  • Mood changes
    2%
  • Emotional disorders
    2%
  • Irritability
    2%
  • Stuffy nose
    2%
See more detailed side effects
Risks and risk factors
  • High blood pressure
    • Taking monoamine oxidase inhibitors (MAOI) 14 days before starting Vyvanse (lisdexamfetamine)
  • Abuse and dependence
    • History of drug abuse
  • Serious or life-threatening cardiovascular events
    • History of heart problems
  • Aggressive behavior and psychosis
    • History of psychotic episodes
    • History of bipolar disorder
  • Long-term growth suppression
    • Children ages 6 to 12
See more detailed risks and warnings
  • Low blood pressure and low heart rate
  • Sleepiness
    • Taking with alcohol
    • Taking other medicines that make you less alert
  • High blood pressure
    • Stopping Kapvay (clonidine) suddenly
See more detailed risks and warnings