Compare Klonopin vs. Vistaril

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

Klonopin
(clonazepam)

Vistaril
(hydroxyzine pamoate)

Controls seizures and helps you relax. Klonopin (Clonazepam) is okay for occasional or short-term use (up to 4 weeks) for anxiety, and to treat seizures. Less severe withdrawal symptoms compared to similar drugs.Coming soon.
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.18Klonopin
Reviews for Klonopin
70%
of people (All ages) say Klonopin is worth it
52%
say it works well
14%
say it's a big hassle
767 reviews
Have you used Klonopin (clonazepam)?
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Have you used Vistaril (hydroxyzine pamoate)?
Worth itNot sureNot worth it
Side effects
KlonopinVistaril
  • Drowsiness 50%
  • Ataxia 30%
  • Behavior problems 25%
  • Somnolence 16%
  • Upper Respiratory Tract Infection 6%
  • Fatigue 5%
  • Depression 6%
  • Dizziness 1%
  • Colpitis 3%
  • Sinusitis 1%
More Klonopin side effects »

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

FDA side effect reports for Vistaril »
How it works
KlonopinVistaril
Klonopin (Clonazepam) is a fast-acting benzodiazepine. It affects neurotransmitters in the brain and calms the nervous system. This reduces anxiety and muscle spasms, and causes sleepiness.Coming soon.
Type of medication
KlonopinVistaril
Prescription only
Available as
KlonopinVistaril
  • Pill
  • Dissolving tablet
  • Pill
  • Liquid
Used for
KlonopinVistaril
  • Anxiety Pruritus Sedation Adjunct
Risk factors for serious side effects
KlonopinVistaril
  • Taking more than the prescribed dose
  • Taking longer than 4 weeks
  • History of drug abuse
  • Long-term use
  • Alcohol
Detailed Klonopin (clonazepam) risks & warnings »
    Coming soon.
    Pregnancy

    Research studies with real people found harmful effects on unborn babies, but the benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

    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.

    Alcohol
    KlonopinVistaril
    • Not safe to use with alcohol.
    • Can be habit-forming, so it's not typically used for long-term treatment, or for people who've had problems with drug or alcohol abuse.
    No alcohol related info.
    Sleep
    KlonopinVistaril
    • Can cause dizziness, drowsiness, and salivation.
    • Can cause memory problems, drowsiness, dizziness, and confusion.
    No sleep related info.
    Upsides and benefits
    KlonopinVistaril
    • Effective at relieving short-term anxiety and sleeplessness.
    • Can be used together with antidepressants to manage anxiety disorders. Especially helpful for anxiety symptoms while you wait for an antidepressant to kick in (it can take several weeks).
    • Can be used alone or with other medicines to treat seizures.
    • Less severe withdrawal symptoms compared to other benzodiazepines.
    Coming soon
    Downsides and risks
    KlonopinVistaril
    • Can cause memory problems, drowsiness, dizziness, and confusion.
    • Can be habit-forming, so it's not typically used for long-term treatment, or for people who've had problems with drug or alcohol abuse.
    • Most people find that it gets less effective over time.
    Coming soon
    Tips from our pharmacists for people taking the medication
    KlonopinVistaril
    • For the first week, avoid activities that require you to be alert.
    • Can cause dizziness, drowsiness, and salivation.
    • Report any confusion or inability to control muscle movements to your doctor.
    • Not safe to use with alcohol.
    Coming soon
    Learn more
    More about KlonopinSide effectsReviews & ratingsAlternativesFDA package insert
    Have you used Klonopin (clonazepam)?
    Worth itNot sureNot worth it
    More about VistarilSide effectsReviews & ratingsFDA package insert
    Have you used Vistaril (hydroxyzine pamoate)?
    Worth itNot sureNot worth it