Compare Klonopin vs. Valium

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

Klonopin (Clonazepam)

Prescription only

Valium (diazepam)

Prescription only
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.

5.2/ 7 average rating with 767 reviewsforKlonopin
Helps you relax.

Valium (diazepam) is effective for occasional or short-term use for anxiety and muscle spasm. Compared to similar drugs, Valium (diazepam) acts very quickly but can have interactions with other medicines.

5.2/ 7 average rating with 976 reviewsforValium
Upsides
  • 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.
  • Valium (diazepam) effectively relieves anxiety and muscle spasms.
  • Valium (diazepam) has less severe withdrawal symptoms compared to other similar drugs.
  • Works very quickly.
  • Available in generic.
Downsides
  • 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.
  • Use of Valium (diazepam) can cause memory problems, drowsiness, dizziness, and confusion.
  • Valium (diazepam) can be habit-forming, so it's not typically used for long-term treatment.
  • Most people find that their body will get used to Valium (diazepam) levels and they may need higher doses over time to achieve the same effect.
  • People with severe liver problems should not take Valium (diazepam). Several drugs can also interfere with how Valium (diazepam) works.
Used for
Dosage forms
  • Pill
  • Dissolving tablet
  • Pill
  • Liquid
Price
Lowest price near you
$7.39
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Lowest price near you
$6.58
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Reviews
767 
70%
think this treatment is worth it
52%
think this treatment works well
14%
think this treatment is a hassle

Have you used Klonopin (Clonazepam)?

Leave a review
976 
70%
think this treatment is worth it
53%
think this treatment works well
15%
think this treatment is a hassle

Have you used Valium (diazepam)?

Leave a review
Side effects
10possible side effects
  • Somnolence
    37%
  • Dizziness
    8%
  • Upper Respiratory Tract Infection
    8%
  • Depression
    7%
  • Fatigue
    7%
  • Coordination Abnormal
    6%
  • Ataxia
    5%
  • Memory Disturbance
    4%
  • Sinusitis
    4%
  • Influenza
    4%
See more detailed side effects
The Valium (diazepam) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Tolerance and dependence

    Taking more than the prescribed dose

    ...and 2 more risk factors

  • Withdrawal

    Long-term use

  • Driving impairment

    Alcohol

    ...and 1 more risk factors

See more detailed risks and warnings
  • Decreased breathing from use with opioids

    Taking Valium (diazepam) with opioids, drugs or alcohol

    ...and 1 more risk factors

  • Dependence and withdrawal

    History of substance abuse

    ...and 4 more risk factors

  • Driving impairment

    Alcohol use with Valium (diazepam)

    ...and 1 more risk factors

  • Drug interactions

    Current liver problems

    ...and 1 more risk factors

See more detailed risks and warnings