What is Fluoxetine?

Category: Prescription Drugs

Most popular types: Prozac Lovan Fluxene Show all

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Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) antidepressant. It is used to treat major depressive disorder, moderate to severe bulimia nervosa, obsessive compulsive and panic disorders. It may also be used for selective mutism and dementia related agitation.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Depressed mood 1689 857
Major depressive disorder 1682 884
Post-traumatic stress disorder 403 233
Persistent depressive disorder (dysthymia) 241 164
Mild depression 215 118
Anxious mood 188 116

Show all 185 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations Percentage
Severe 213
Moderate 368
Mild 513
None 867

Commonly reported side effects and conditions associated with Fluoxetine

Side effect Patients Percentage
Decreased sex drive (libido) 75
Sexual dysfunction 71
Nausea 68
Weight gain 68
Anxious mood 44
Vivid dreams 37

Show all 295 reported side effects

Dosages

Based on patients currently taking Fluoxetine

Dosage Patients Percentage
20 mg daily 56
40 mg daily 41
10 mg daily 17
60 mg daily 17
80 mg daily 13
30 mg daily 6
20 mg three times daily 2
40 mg twice daily 2
1.5 mL daily 1
10 mL daily 1

See all 15 dosages

Why patients stopped taking Fluoxetine

Multiple reasons could be selected

Reason Patients Percentage
Did not seem to work 851
Side effects too severe 491
Doctor's advice 472
Other 296
Personal research 100
Course of treatment ended 89
Expense 42
Change in health plan coverage 39
See all 1728 patients who've stopped taking Fluoxetine

Duration

Currently taking Fluoxetine

Duration Patients Percentage
Less than 1 month 2
1 - 6 months 7
6 months - 1 year 9
1 - 2 years 16
2 - 5 years 52
5 - 10 years 29
10 years or more 54

Stopped taking Fluoxetine

Duration Patients Percentage
Less than 1 month 291
1 - 6 months 311
6 months - 1 year 273
1 - 2 years 271
2 - 5 years 300
5 - 10 years 157
10 years or more 144
Adherence
Adherence Evaluations Percentage
Always 1478
Usually 333
Sometimes 69
Never taken as prescribed 81
Burden
Burden Evaluations Percentage
Very hard to take 66
Somewhat hard to take 138
A little hard to take 308
Not at all hard to take 1449
Cost per month
Cost per month Evaluations Percentage
$200+ 4
$100-199 5
$50-99 23
$25-49 75
< $25 1029
Not specified 825

What people switch to and from

Patients started taking Fluoxetine after stopping:

Treatment Patients Percentage
Sertraline (Zoloft) 87
Venlafaxine (Effexor XR) 68
Citalopram (Celexa) 58
Duloxetine (Cymbalta) 49
Escitalopram (Lexapro) 44

Show all 49 treatments patients report switching from

Patients stopped taking Fluoxetine and switched to:

Treatment Patients Percentage
Sertraline (Zoloft) 90
Duloxetine (Cymbalta) 86
Venlafaxine (Effexor XR) 82
Bupropion (Wellbutrin XL) 63
Escitalopram (Lexapro) 50

Show all 55 treatments patients report switching to

Last updated:

138 patient evaluations for Fluoxetine

Apr 27, 2020 (Started Mar 18, 2002)

  • Effectiveness
    Can't tell (for multiple sclerosis)
  • Effectiveness
    Major (for mood swings)
  • Effectiveness
    Major (for fatigue)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 40 mg Daily
Cost: < $25 monthly

Feb 24, 2020 (Started Mar 18, 2002)

  • Effectiveness
    Moderate (for multiple sclerosis)
  • Effectiveness
    Moderate (for mood swings)
  • Effectiveness
    Major (for fatigue)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 40 mg Daily
Cost: < $25 monthly

Jan 17, 2018 (Started Mar 18, 2002)

  • Effectiveness
    Moderate (for fatigue)
  • Effectiveness
    Moderate (for mood swings)
  • Effectiveness
    Can't tell (for multiple sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 40 mg Daily
Cost: < $25 monthly

Mar 7, 2016 (Started Mar 18, 2002)

  • Effectiveness
    Major (for fatigue)
  • Effectiveness
    Moderate (for mood swings)
  • Effectiveness
    Can't tell (for multiple sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 40 mg Daily
Advice & Tips: I'm taking 40mg of Fluoxetine daily and not taking Provigil, seems to be helping with fatigue.
Cost: < $25 monthly

Jul 26, 2012 (Started Mar 18, 2002)

  • Effectiveness
    Moderate (for fatigue)
  • Effectiveness
    Slight (for mood swings)
  • Effectiveness
    Can't tell (for multiple sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 20 mg Daily
Advice & Tips: I think I need a bigger dose.
Cost: < $25 monthly

Oct 8, 2010 (Started Mar 18, 2002)

  • Effectiveness
    Can't tell (for multiple sclerosis)
  • Effectiveness
    Major (for fatigue)
  • Effectiveness
    Major (for mood swings)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 20 mg Daily
Advice & Tips: I always take 20mg of this right after 200mg of Provigil. The purpose is to counter the fiesty mood Provigil puts me in.
Cost: < $25 monthly

  • 0 helpful marks

May 27, 2019 (Started Jul 01, 2018)

  • Effectiveness
    Slight (for obsessive-compulsive disorder)
  • Effectiveness
    None (for complex post-traumatic stress disorder)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 60 mg Daily
Advice & Tips: It has very little effectiveness against intrusive thoughts but no side effects at all so I keep taking it. I think I could have a higher dose without any problems but they say 60mg is the maximum

  • 0 helpful marks

Jan 9, 2019 (Started Feb 01, 2018)

  • Effectiveness
    Slight (for depressed mood)
  • Side effects
    Moderate (diarrhea, decreased sex drive (libido), vivid dreams)
  • Adherence
    Usually
  • Burden
    A little hard to take
Dosage: 20 mg Daily
Cost: < $25 monthly

Apr 7, 2018 (Started Feb 01, 2018)

  • Effectiveness
    Moderate (for depressed mood)
  • Side effects
    Moderate (diarrhea, decreased sex drive (libido), vivid dreams)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 20 mg Daily
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 138 patient evaluations for Fluoxetine