Compare Lexapro vs. Prozac

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

Lexapro (escitalopram)

Prescription only

Prozac (fluoxetine)

Prescription only
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.

3.6/ 5 average rating with 1063 reviewsforLexapro
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
Upsides
  • 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.
  • 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.
Downsides
  • 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.
  • 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.
Used for
Dosage forms
  • Pill
  • Liquid
  • Pill
  • Delayed-release pill
  • Liquid
Price
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Reviews
1063 reviews so far
61%
saidit'sworth it
48%
saiditworked well
15%
saidit'sa big hassle

Have you used Lexapro (escitalopram)?

Leave a review
1319 reviews so far
62%
saidit'sworth it
40%
saiditworked well
16%
saidit'sa big hassle

Have you used Prozac (fluoxetine)?

Leave a review
Side effects
25possible side effects
  • Headache
    24%
  • Nausea
    18%
  • Problems ejaculating
    14%
  • Sleepiness
    13%
  • Insomnia
    12%
  • Dry mouth
    9%
  • Diarrhea
    8%
  • Fatigue
    8%
  • Decreased libido
    7%
  • Problems with orgasm
    6%
  • Constipation
    5%
  • Flu-like symptoms
    5%
  • Increased sweating
    4%
  • Indigestion
    3%
  • Vomiting
    3%
  • Neck/shoulder pain
    3%
  • Abnormal dreams
    3%
  • Decrease appetite
    3%
  • Lack of energy
    3%
  • Tingling or burning in the hands/feet
    2%
  • Abdominal pain
    2%
  • Flatulence
    2%
  • Toothache
    2%
  • Yawning
    2%
  • Menstrual disorder
    2%
See more detailed 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
Risks and risk factors
  • Suicidal thoughts or behavior
    • Age 24 years or younger
  • Serotonin syndrome
    • Using other medications that affect serotonin
  • Withdrawal
    • Stopping Lexapro (escitalopram) suddenly
  • Increased bleeding
    • Taking blood thinners
  • Sexual problems
  • Uncovering of bipolar disorder
    • Bipolar disorder
See more detailed risks and warnings
  • 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