Compare Lexapro vs. Prozac

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

Lexapro
(escitalopram)

Prozac
(fluoxetine)

Improves mood and helps you relax. Lexapro (escitalopram) is good for treating depression and anxiety. It is less likely to cause side effects than and has fewer drug interactions. However, it might not be a good choice if you have liver or heart problems.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.
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Coupons for Lexapro
Best available price for 30 (10mg) tablets of escitalopram
Coupons for Prozac
Best available price for 30 (20mg) capsules of fluoxetine
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
4.89Lexapro
Reviews for Lexapro (escitalopram)
61%
of people (All ages) say Lexapro (escitalopram) is worth it
48%
say it works well
15%
say it's a big hassle
1063 reviews
Have you used Lexapro (escitalopram)?
Worth itNot sureNot worth it
Reviews for Prozac (fluoxetine)
62%
+1% better vs. Lexapro (escitalopram)
40%
-8% worse vs. Lexapro (escitalopram)
16%
-1% worse vs. Lexapro (escitalopram)
1319 reviews
Have you used Prozac (fluoxetine)?
Worth itNot sureNot worth it
Side effects
LexaproProzac
  • Nausea 8%
  • Sleep difficulty 5%
  • Problems with ejaculation 9%
  • Diarrhea 3%
  • Dry mouth 1%
  • Drowsiness 4%
  • Runny nose 1%
  • Fatigue 3%
  • Dizziness 2%
  • Flu-like symptoms 1%
More Lexapro side effects »
  • Nausea 13%
  • Headache 2%
  • Sleep difficulty 18%
  • Nervousness 5%
  • Drowsiness 7%
  • Anxiety 6%
  • Diarrhea 4%
  • Muscle weakness 5%
  • Loss of appetite 7%
  • Dizziness 3%
More Prozac side effects »
How it works
LexaproProzac
Lexapro (escitalopram) is a selective serotonin reuptake inhibitor (SSRI) antidepressant. It increases serotonin in the brain which regulates mood.Prozac (Fluoxetine) is a selective serotonin reuptake inhibitor (SSRI) antidepressant. It increases serotonin activity in the brain, which regulates mood.
Type of medication
LexaproProzac
Prescription only
Prescription only
Available as
LexaproProzac
  • Pill
  • Liquid
  • Pill
  • Delayed release capsule
  • Liquid
Used for
LexaproProzac
Risk factors for serious side effects
LexaproProzac
  • Age 24 years or younger
  • Using other medications that affect serotonin
  • Stopping Lexapro (escitalopram) suddenly
  • Taking blood thinners
  • Bipolar disorder
Detailed Lexapro (escitalopram) risks & warnings »
  • Age 24 years or younger
  • Using other medications that affect serotonin
  • Stopping Prozac (Fluoxetine) suddenly
  • History of heart problems
  • History of liver problems
Detailed Prozac (fluoxetine) risks & warnings »
Pregnancy

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.

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.

Interactions
LexaproProzac
  • Lexapro (escitalopram) has less drug interactions than other similar antidepressants and might cause fewer side effects.
No interactions related info.
Food
LexaproProzac
No food related info.
  • Take in the morning with food to avoid side effects.
Sex
LexaproProzac
No sex related info.
  • Can cause sexual side effects like low libido and an inability to orgasm or ejaculate.
Weight
LexaproProzac
  • Can cause a small weight gain of 1-5 pounds.
No weight related info.
Upsides and benefits
LexaproProzac
  • Effective at relieving depression and anxiety symptoms.
  • Lowers the likelihood that your depression will come back.
  • Lexapro (escitalopram) has less drug interactions than other similar antidepressants and might cause fewer side effects.
  • 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.
Downsides and risks
LexaproProzac
  • Can cause a small weight gain of 1-5 pounds.
  • Lexapro (escitalopram) is not a good option if you have heart or liver problems.
  • The first antidepressant you try might not always work, so you may need to try a few different medicines until you find one that works for you.
  • 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.
Tips from our pharmacists for people taking the medication
LexaproProzac
  • Don't suddenly stop taking DRUG NAME. Talk to your doctor about how to slowly go down in your dose to avoid withdrawal symptoms.
  • Tell your doctor if you notice sudden mood changes or unusual thoughts.
  • Like other SSRI medications, it could take up to 8 weeks to see the full effects of Lexapro (escitalopram).
  • Take Lexapro (escitalopram) in the morning since it can keep you up if you take it at night.
  • Take in the morning with food to avoid side effects.
  • Takes about 8 to 12 weeks to see the medication's full effects on your mood.
  • Stop taking it slowly to avoid getting withdrawal symptoms.
  • Tell your doctor if you notice sudden mood changes or unusual thoughts.
Learn more
More about LexaproSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Lexapro (escitalopram)?
Worth itNot sureNot worth it
More about ProzacSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Prozac (fluoxetine)?
Worth itNot sureNot worth it