Compare Prozac vs. Klonopin

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

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Prozac (fluoxetine)

Prescription only

Klonopin (clonazepam)

Prescription only
Improves mood and helps you relax.

Prozac (fluoxetine) is good for treating depression and anxiety. It's more energizing than other antidepressants, so it may not be the best choice for people who have trouble sleeping.

3.5/ 5 average rating with 1319 reviewsforProzac
Controls seizures and helps panic attacks.

Klonopin (clonazepam) can be used for immediate relief of panic attacks and seizures, but is not intended for long-term management.

3.8/ 5 average rating with 767 reviewsforKlonopin
Upsides
  • Effectively treats a variety of mental health conditions such as depression, OCD, and panic disorder.
  • It's more energizing than other antidepressants, so it's good for people who have low energy.
  • Might be a good option for treating children with depression and/or OCD.
  • Doesn't have effects on the heart unlike other antidepressants so it may be a better treatment choice for older people.
  • Can cause a significant amount of weight loss which is an added benefit for those who are overweight or obese.
  • More people who took Klonopin (clonazepam) were free of panic attacks, compared to people who did not take Klonopin (clonazepam).
  • Klonopin (clonazepam) works quickly, within the hour.
  • Can be used together with antidepressants to manage panic disorder.
  • Klonopin (clonazepam) lasts longer and has less severe withdrawal symptoms compared to other similar medicines.
Downsides
  • Takes at least 1 to 2 weeks to kick in and can take up to 12 weeks for maximum effect. Prozac (fluoxetine) tends to take more time to start working compared to similar alternatives.
  • Can lower your sex drive.
  • Can increase the risk of suicidal thoughts and/or behavior in those age 24 or younger.
  • You may need to try out several different antidepressants before you find the one that works for you.
  • Klonopin (clonazepam) can cause memory problems, drowsiness, dizziness, and confusion.
  • Klonopin (clonazepam) can be habit-forming, so is not typically used for long-term treatment.
  • May require higher doses of Klonopin (clonazepam) over time to establish the same seizure control.
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Used for
Dosage forms
  • Pill
  • Delayed-release pill
  • Liquid
  • Pill
  • Dissolving tablet
Price
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Reviews
1319 reviews so far
62%
saidit'sworth it
40%
saiditworked well
16%
saidit'sa big hassle

Have you used Prozac (fluoxetine)?

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
22possible side effects
  • Inability to sleep
    33%
  • Nausea
    28%
  • Lack of energy
    21%
  • Anxiety
    15%
  • Sleepiness
    13%
  • Tremor
    13%
  • Nervousness
    11%
  • Yawn
    11%
  • Indigestion
    10%
  • Sore throat
    10%
  • Dry mouth
    9%
  • Flu syndrome
    8%
  • Diarrhea
    8%
  • Loss of appetite
    8%
  • Sweating
    8%
  • Impotence
    7%
  • Abnormal ejaculation
    7%
  • Sinus infection
    6%
  • Lower sex drive
    5%
  • Abnormal dreams
    5%
  • Rash
    4%
  • Widening of blood vessels
    2%
See more detailed side effects
4possible side effects
  • Drowsiness
    37%
  • Depression
    7%
  • Abnormal coordination
    6%
  • Loss of full control of bodily movements
    5%
See more detailed side effects
Risks and risk factors
  • Suicidal thoughts or behavior
    • Age 24 or younger
  • Serotonin syndrome
    • Antidepressants
    • Lithium
    • Ultram
    • Imitrex
    • Remeron
    • Lexapro
    • Dilaudid
    • St. John's Wort
  • Skin rash
  • Weight loss
    • People with an eating disorder
  • Increased bleeding risk
    • Taking NSAIDS or blood-thinning drugs
  • Abnormal heart rhythm
    • People with heart rhythm problems or a family history of them
    • Low potassium level
    • Low magnesium level
    • Recent heart attack
    • Using other drugs that affect heart rhythm
    • Overdose
    • People with liver problems
See more detailed risks and warnings
  • Sedation, respiratory depression, coma and death
    • Taking with opioids
    • Drinking alcohol
  • Dependence and withdrawal
    • Taking high dosage
    • Taking long-term
    • History of drug abuse
  • Driving impairment
    • Drinking alcohol
    • Taking other medicines that make you less alert
  • Suicidal behavior and ideation
See more detailed risks and warnings