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.
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Reviews & ratings
Button Group. All currently active
Button Group. All currently active
5.1322901849217635Klonopin
Reviews for Klonopin (Clonazepam)
69%
of people say Klonopin (Clonazepam) is worth it
51%
say it works well
15%
say it's a big hassle

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

Side effects
KlonopinVistaril
  • Dizziness 8%
  • Low mood disorder 7%
  • Ear, nose, or throat infection 6%
  • Sinus inflammation 5%
  • Fatigue 5%
  • Menstrual cramps 4%
  • Memory disturbance 3%
  • Constipation 3%
  • Allergic reaction 3%
  • Vaginal inflammation 3%
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
Anti-anxiety
Benzodiazepine
Prescription only
Coming soon.
Available as
KlonopinVistaril
  • Pill
  • Dissolving tablet
  • Pill
  • Liquid
Used for (click to learn more)
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
    • Taking other medicines that make you less alert
      Detailed Klonopin (Clonazepam) risks & warnings »
      Coming soon.
      Pregnancy category
      KlonopinVistaril
      DFDA pregnancy category (Weigh risks vs. benefits)

      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.

      See the FDA package insert
      CFDA pregnancy category (Weigh risks vs. benefits)

      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.

      See the FDA package insert
      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.
      • Not safe to use with alcohol.
      No specific alcohol-related info.
      Food
      No specific food-related info.No specific food-related info.
      Kidneys and liver
      No specific kidneys and liver-related info.No specific kidneys and liver-related info.
      Sex
      No specific sex-related info.No specific sex-related info.
      Sleep
      • Can cause memory problems, drowsiness, dizziness, and confusion.
      • Can cause dizziness, drowsiness, and salivation.
      • Stopping Klonopin (Clonazepam) suddenly may cause withdrawal symptoms such as nausea, anxiety, agitation, flu-like symptoms, trouble sleeping, and muscle pain or burning. Withdrawal symptoms can last 6 weeks or longer. Work with your doctor to gradually reduce your dose when stopping or switching to a different medication.
      No specific sleep-related info.
      Weight
      No specific weight-related info.No specific weight-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
      More about VistarilSide effectsReviews & ratingsFDA package insert