Compare Dexedrine vs. Kapvay

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



Helps you stay awake and focus. Dexedrine (Dextroamphetamine) is an effective and cheap medication used to treat ADHD, but it can be habit-forming and is not used for long-term treatment.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.
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
Reviews for Dexedrine
of people (All ages) say Dexedrine is worth it
say it works well
say it's a big hassle
Have you used Dexedrine (dextroamphetamine)?
Worth itNot sureNot worth it

Not enough reviews for this treatment. Help someone out, leave a review!

Have you used Kapvay (clonidine)?
Worth itNot sureNot worth it
Side effects

We haven’t found good data for Dexedrine side effects.

FDA side effect reports for Dexedrine »
  • Sleepiness 34%
  • Headache 4%
  • Fatigue 15%
  • Upper abdominal pain 3%
  • Irritability 5%
  • Dizziness 2%
  • Insomnia 4%
  • Emotional disorder 3%
  • Nightmare 4%
  • Nausea 1%
More Kapvay side effects »
How it works
Dexedrine (Dextroamphetamine) is a stimulant. It treats narcolepsy and attention-deficit/hyperactivity disorder (ADHD) by increasing norepinephrine and dopamine activity in the brain.Kapvay (clonidine) is an alpha-2 agonist. It's not entirely clear how it works for ADHD, but it lowers the activity of certain stress hormones in the brain.
Type of medication
Prescription onlyPrescription only
Available as
  • Pill
  • Extended release
  • Liquid
  • Extended release
Used for
Risk factors for serious side effects
  • History of heart problems
  • History of drug abuse
  • History of psychotic episodes
  • History of bipolar disorder
  • Children
Detailed Dexedrine (dextroamphetamine) risks & warnings »
  • Taking with alcohol
  • Taking other medicines that make you less alert
  • Stopping Kapvay (clonidine) suddenly
Detailed Kapvay (clonidine) risks & warnings »

Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

No sleep related info.
  • People who take Kapvay (clonidine) can feel very sleepy during the day. It can be worse if you're taking other medicines that also make you sleepy, like pain medicines, or medicines for anxiety. Be very careful driving or doing anything that requires your full concentration until you know how your body reacts to it.
  • Can cause drowsiness, headache, dizziness, and dry mouth.
Upsides and benefits
  • Recommended as a first-choice medication to treat ADHD in both adults and children.
  • Available as a generic, so it is cheaper than other medications used to treat ADHD.
  • Available in an immediate release and extended release form, which allows for once or twice a day dosing.
  • 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 and risks
  • Fruit juice lowers the amount of Dexedrine (Dextroamphetamine) that gets into your body.
  • If you want to stop taking Dexedrine (Dextroamphetamine), you have to talk to your doctor since stopping cold turkey can cause withdrawal symptoms.
  • Dexedrine (Dextroamphetamine) is usually not used long-term since it can be habit-forming.
  • 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.
Tips from our pharmacists for people taking the medication
  • Take your last dose before early afternoon, otherwise you won't be able to sleep.
  • Don't take with fruit juice or vitamin C, because they'll lower the amount of Dexedrine (Dextroamphetamine) that gets into your body.
  • Can affect your concentration, so don't drive or do anything that requires concentration until you know how your body reacts to it.
  • If you've been taking Dexedrine (Dextroamphetamine) for a while and decide to stop it, you'll experience withdrawal symptoms if you stop it too fast.
  • Can cause reduced appetite, insomnia, and restlessness.
  • Can cause drowsiness, headache, dizziness, and dry mouth.
  • You might have to take Kapvay (clonidine) for at least two weeks before you notice any changes.
  • Don't stop taking this medicine suddenly without talking to your doctor.
  • Swallow Kapvay (clonidine) whole. Don't chew, cut or crush the pill.
  • If you forget your daily dose of Kapvay (clonidine), skip it for that day. Don't double up the next day.
Learn more
More about DexedrineSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Dexedrine (dextroamphetamine)?
Worth itNot sureNot worth it
More about KapvaySide effectsReviews & ratingsAlternativesFDA package insert
Have you used Kapvay (clonidine)?
Worth itNot sureNot worth it