Compare Prozac vs. Celexa

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

Prozac (Fluoxetine)

Prescription only

Celexa (citalopram)

Prescription only
Improves mood and helps you relax.

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

4.7/ 7 average rating with 1319 reviewsforProzac
Improves mood.

Celexa (citalopram) is good for treating depression and anxiety. Side effects are less likely to happen compared to other antidepressants; however, it is not the best choice for people with heart or liver problems.

5.0/ 7 average rating with 520 reviewsforCelexa
Upsides
  • Effective at relieving depression and anxiety symptoms.
  • Lowers relapse rates of depression and bulimia nervosa.
  • Causes less sleepiness than other antidepressants.
  • It's more energizing than other antidepressants, so it's good for people who have low energy.
  • It has been used to treat depression for a long time, so there's a lot of information available about how it works and how safe it is.
  • Six out of ten people who use an antidepressant for the first time find that it works for them.
  • Effectively relieves depression symptoms.
  • This medicine is not as drowsy as other antidepressants.
  • Available as a generic, which is cheaper.
Downsides
  • Can cause sexual side effects like low libido and an inability to orgasm or ejaculate.
  • Can increase feelings of anxiety or cause headaches during the first few weeks of taking it. These effects should go away over time.
  • More likely than other antidepressants to interact with other medications you're taking.
  • Like most antidepressants, it can cause a higher risk of suicidal thoughts and behavior for people younger than 24.
  • The first antidepressant you try doesn't always work or it can cause side effects you really don't like. You might need to try a few different medications until you find one that works for you.
  • Can cause sexual side effects like decreased sex drive, difficulties with orgasm or ejaculation, and minor weight gain (1 to 5 pounds).
  • Celexa (citalopram) may not be a good option if you have heart or liver problems.
  • Like most antidepressants, Celexa (citalopram) can increase risk of suicidal thoughts and behavior in people younger than 24 years.
Used for
Dosage forms
  • Pill
  • Delayed release capsule
  • Liquid
  • Pill
  • Liquid
Price
Lowest price near you
$4
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Lowest price near you
$4
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Reviews
1319 
62%
think this treatment is worth it
40%
think this treatment works well
16%
think this treatment is a hassle

Have you used Prozac (Fluoxetine)?

Leave a review
520 
61%
think this treatment is worth it
51%
think this treatment works well
16%
think this treatment is a hassle

Have you used Celexa (citalopram)?

Leave a review
Side effects
1possible side effects
  • Decreased libido
    4%
See more detailed side effects
The Celexa (citalopram) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Suicidal thoughts or behavior

    Age 24 years or younger

  • Serotonin syndrome

    Using other medications that affect serotonin

  • Withdrawal

    Stopping Prozac (Fluoxetine) suddenly

  • Heart problems

    History of heart problems

    ...and 2 more risk factors

  • Increased bleeding

    Taking other blood-thinning drugs

  • Mania

    History of bipolar disorder

    ...and 1 more risk factors

See more detailed risks and warnings
  • Suicidal thoughts or behavior

    Age 24 years or younger

  • Serotonin syndrome

    Taking tricyclic antidepressants, lithium, tramadol, fentanyl, amphetamines, certain headache medications (triptans), St. John's Wort

  • Bipolar disorder

    History of bipolar disorder

    ...and 1 more risk factors

  • Withdrawal

    Stopping Celexa (citalopram) abruptly

  • Lower maximum dose in some people

    Higher dose

    ...and 3 more risk factors

  • Increased bleeding

    Taking other blood-thinning drugs (including aspirin, NSAIDs such as Advil, warfarin)

See more detailed risks and warnings