Head-to-head comparisons of medication uses, side effects, warnings, and more.
Key takeaways
Clonidine ER (Kapvay) and dextroamphetamine (Dexedrine) are both used to treat attention-deficit hyperactivity disorder (ADHD), but they belong to different medication classes and work differently in the body. Clonidine ER is an alpha-2 adrenergic agonist that can be used alone or with other ADHD medications, and it is not a stimulant. It works by reducing the activity of stress hormones, which can cause sleepiness. Dextroamphetamine, on the other hand, is a stimulant that raises levels of norepinephrine, dopamine, and serotonin in the brain to improve focus and attention. Unlike clonidine ER, dextroamphetamine is a Schedule II controlled substance due to its potential for misuse and dependence. Clonidine ER is available in a generic form and is not controlled, while dextroamphetamine is available in both immediate-release and extended-release forms and has strict prescription requirements. Additionally, clonidine ER can cause sedation and low blood pressure, whereas dextroamphetamine can lead to trouble sleeping, loss of appetite, and increased heart rate.
Clonidine er (Kapvay)
Dextroamphetamine
Clonidine er (Kapvay)
Dextroamphetamine
Summary of Kapvay vs. Dexedrine
Summary for Alpha-2 adrenergic agonist
Prescription only
Extended-release clonidine (Kapvay) is an alpha-2 agonist. It's a non-stimulant medication used to treat attention deficit-hyperactivity disorder (ADHD) in adults and children. Clonidine ER (Kapvay) is taken by mouth, typically twice per day. Some of the more common side effects include sleepiness and headache. This medication rarely causes insomnia (trouble sleeping), and isn't known to cause weight gain. Brand name Kapvay has been discontinued; clonidine ER (Kapvay) is only available as a generic medication.
Summary for Stimulant
Prescription only
Dextroamphetamine is used for the treatment of attention deficit-hyperactivity disorder (ADHD). It can also be used to treat uncontrollable daytime sleepiness (narcolepsy). Some side effects of the medication include difficulty sleeping, restlessness, and loss of appetite (that might lead to possible weight loss).