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Compare Onyda XR vs. Kapvay

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

  • Onyda xr (clonidine)
    Clonidine er (Kapvay)
  • Onyda xr (clonidine)
    Clonidine er (Kapvay)

  • Summary of Onyda XR vs. Kapvay

    Summary for Alpha-2 agonist
    Prescription only

    Onyda XR (clonidine) is a non‑stimulant medication for attention-deficit hyperactivity disorder (ADHD). It's FDA approved for children 6 years and older. It can be used by itself or with stimulant ADHD medications. Onyda XR (clonidine) is an extended‑release liquid you take by mouth once each night at bedtime. Common effects include sleepiness, tiredness, and headache. Onyda XR (clonidine) can also lower blood pressure and slow the heart rate, so your care team might check these regularly.

    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.

  • Indications of Onyda XR vs. Kapvay

    Indications for
    •Attention-deficit hyperactivity disorder (ADHD) in children 6 years and older
    Indications for
    •Attention-deficit hyperactivity disorder (ADHD) in people ages 6 years and older

  • Pros and Cons of Onyda XR vs. Kapvay

    Pros and Const for Alpha-2 agonist
    Pros
    •Non‑stimulant option for ADHD
    •Taken once at night, so it could be a good option for people with busy morning routines
    •Is a liquid, so it's an option for children who can't swallow pills
    •Can be used alone or with a stimulant ADHD medication
    Cons
    •Can cause sleepiness and tiredness
    •Can lower blood pressure and heart rate
    •Must lower the dose slowly to stop taking the medication to avoid dangerous rebound high blood pressure
    •Interacts with some medications, including blood pressure medications and sedatives
    Pros and Const for Alpha-2 adrenergic agonist
    Pros
    •Taken by mouth
    •A non-stimulant option for ADHD
    •Can be taken by children ages 6 years and older
    Cons
    •Not a first-choice option for ADHD
    •Need to take twice daily
    •Can cause withdrawal symptoms if stopped suddenly

  • Common Side Effects of Onyda XR vs. Kapvay

    Common Side Effects for
    •Drowsiness (31%–38%)
    •Headache (13%–20%)
    •Feeling tired (13%–16%)
    •Upper stomach pain (10%–15%)
    •Irritability (5%–9%)
    •Dizziness (3%–7%)
    •Trouble sleeping (5%–6%)
    •Constipation (1%–6%)
    •Nausea (4-5%)
    Common Side Effects for
    •Sleepiness (up to 38%)
    •Headache (up to 20%)
    •Fatigue (up to 16%)
    •Upper stomach pain (up to 15%)

  • Warnings of Onyda XR vs. Kapvay

    Common Side Effects for
    •Low blood pressure and slow heart rate
    •Possible heart rhythm problems
    •Sleepiness and dizziness
    •Dangerously high blood pressure after stopping Onyda XR (clonidine) suddenly
    •Allergic reaction
    Common Side Effects for
    •Blood pressure, heart rate, and heart rhythm problems
    •Extreme sleepiness and dizziness
    •Allergic reaction

  • Prices with our coupons for Onyda XR vs. Kapvay

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    Learn more about Clonidine er

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