Antidepressants

    Fluoxetine vs Sertraline

    Compare Fluoxetine (Prozac) and Sertraline (Zoloft) — two of the most prescribed SSRIs.

    Head-to-Head Comparison

    Categoryfluoxetinesertraline
    Effectiveness
    Effective for depression, OCD, bulimia, panic disorder
    Effective for depression, OCD, PTSD, social anxiety, panic
    Cost
    $8-12/month generic
    $10-15/month generic
    Side Effects
    More activating/energizing, insomnia risk, long half-life
    GI side effects more common, diarrhea
    Convenience
    Once daily, longest half-life (safest if doses missed)
    Once daily
    Insurance Coverage
    Widely covered, lowest cost generic
    Widely covered

    Key Differences

    • Fluoxetine has 4-6 day half-life — most forgiving if doses missed
    • Sertraline has fewer drug interactions
    • Fluoxetine more activating, better for fatigue-dominant depression
    • Sertraline better tolerated in elderly

    Similarities

    • Both SSRIs
    • Once daily
    • Both generic
    • 2-4 week onset

    Which Is Best For You?

    fluoxetine is Best For:

    • Patients who miss doses frequently
    • Fatigue-dominant depression
    • Bulimia nervosa
    • Cheapest option needed
    Learn More About fluoxetine

    sertraline is Best For:

    • Elderly patients
    • PTSD
    • Social anxiety disorder
    • Fewer drug interactions needed
    Learn More About sertraline

    Frequently Asked Questions

    Is Prozac or Zoloft better for depression?

    Both are equally effective first-line treatments. Choice depends on side effect profile, other medications, and individual response.

    Which is cheaper, Prozac or Zoloft?

    Both are very affordable generics. Fluoxetine (Prozac generic) is typically the cheapest SSRI available, often under $10/month.

    Compare Prices for fluoxetine and sertraline

    No matter which medication you choose, Script Unlock helps you find the best price from verified pharmacies. Save up to 80% on your prescriptions.

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