Compare Xanax vs. Klonopin

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

Xanax (alprazolam)

Prescription only

Klonopin (Clonazepam)

Prescription only
Helps you relax.

Xanax (alprazolam) effectively treats occasional or short-term anxiety and panic attacks. Compared to similar drugs, it is more likely to cause withdrawal symptoms and can have more interactions with some medicines.

3.9/ 5 average rating with 1287 reviewsforXanax
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.

3.8/ 5 average rating with 767 reviewsforKlonopin
Upsides
  • Xanax (alprazolam) can be used to manage anxiety associated with depression.
  • Works very quickly - in hours.
  • Available in generic.
  • 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.
Downsides
  • Use of Xanax (alprazolam) can cause memory problems, drowsiness, dizziness, and confusion.
  • Xanax (alprazolam) can be habit-forming, so it's not typically used for long-term treatment.
  • Compared to other similar drugs, Xanax (alprazolam) is more likely to cause withdrawal symptoms if you take it for a long time and then stop suddenly.
  • If you have liver problems, Xanax (alprazolam) may not be the best choice since it is processed by the liver. Several drugs can also interfere with how Xanax (alprazolam) works. Talk to your doctor to see if Xanax (alprazolam) is right for you.
  • 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.
Used for
Dosage forms
  • Pill
  • Extended release
  • Dissolving tablet
  • Liquid
  • Pill
  • Dissolving tablet
Price
Want to save even more money?
Sign up now for a 30-day trial and save up to 95% at CVS, Kroger, Albertsons, and other pharmacies.
Reviews
1287 reviews so far
74%
saidit'sworth it
55%
saiditworked well
13%
saidit'sa big hassle

Have you used Xanax (alprazolam)?

Leave a review
767 reviews so far
70%
saidit'sworth it
52%
saiditworked well
14%
saidit'sa big hassle

Have you used Klonopin (Clonazepam)?

Leave a review
Side effects
24possible side effects
  • Drowsiness
    41%
  • Lightheadedness
    21%
  • Dry mouth
    15%
  • Depression
    14%
  • Headache
    13%
  • Confusion
    10%
  • Constipation
    10%
  • Diarrhea
    10%
  • Nausea/vomiting
    10%
  • Difficulty sleeping
    9%
  • Fast heartbeat
    8%
  • Nasal congestion
    7%
  • Blurry vision
    6%
  • Low blood pressure
    5%
  • Nervousness
    4%
  • Increased salivation
    4%
  • Muscle rigidity
    4%
  • Tremor
    4%
  • Skin irritation/allergy
    4%
  • Fainting
    3%
  • Weight gain
    3%
  • Dizziness
    2%
  • Restlessness
    2%
  • Weight loss
    2%
See more detailed side effects
19possible 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%
  • Nervousness
    3%
  • Dysmenorrhea
    3%
  • Dysarthria
    2%
  • Intellectual Ability Reduced
    2%
  • Rhinitis
    2%
  • Coughing
    2%
  • Pharyngitis
    2%
  • Constipation
    2%
  • Allergic Reaction
    2%
See more detailed side effects
Risks and risk factors
  • Decreased breathing from use with opioids
    • Taking Xanax (alprazolam) with opioids, drugs or alcohol
    • Using Xanax (alprazolam) for a longer duration and at high doses
  • Dependence and withdrawal
    • History of substance abuse
    • Taking with alcohol or drugs
    • Taking more than 4 mg/day or longer than 12 weeks
    • Stopping Xanax (alprazolam) suddenly
  • Suicidal thoughts or behavior
    • Severe depression
  • Driving impairment
    • Taking with alcohol or drugs
  • Drug interactions
    • Current liver problems
    • Taking medicines such as antifungals, cimetidine, or some HIV medicines
See more detailed risks and warnings
  • Tolerance and dependence
    • Taking more than the prescribed dose
    • Taking longer than 4 weeks
    • History of drug abuse
  • Withdrawal
    • Long-term use
  • Pregnancy
  • Driving impairment
    • Alcohol
    • Taking other medicines that make you less alert
  • Memory problems
See more detailed risks and warnings
Now you can ask a pharmacist!

What is your question about?

Your question

Your email

We need your email to send you an answer.

Disclaimer: We don't provide medical advice. If you think you might have a medical emergency, call your doctor or 911 immediately.