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 1,671 841
Major depressive disorder 1,621 841
Post-traumatic stress disorder 397 234
Persistent depressive disorder (dysthymia) 245 166
Mild depression 214 118
Anxious mood 186 113

Show all 191 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
Severe 207
Moderate 344
Mild 488
None 843

Commonly reported side effects and conditions associated with Fluoxetine

Side effect Patients
Decreased sex drive (libido) 71
Sexual dysfunction 70
Weight gain 64
Nausea 62
Anxious mood 45
Emotional numbness or flatness 43

Show all 358 reported side effects

Dosages

Based on patients currently taking Fluoxetine

Dosage Patients
20 mg daily 156
40 mg daily 110
10 mg daily 45
60 mg daily 43
80 mg daily 27
30 mg daily 10
40 mg twice daily 8
20 mg twice daily 3
20mg as needed 3
daily 3

See all 33 dosages

Why patients stopped taking Fluoxetine

Multiple reasons could be selected

Reason Patients
Did not seem to work 816
Side effects too severe 473
Doctor's advice 468
Other 292
Personal research 99
Course of treatment ended 87
Expense 41
Change in health plan coverage 38
See all 1672 patients who've stopped taking Fluoxetine

Duration

Currently taking Fluoxetine

Duration Patients
Less than 1 month 2
1 - 6 months 11
6 months - 1 year 30
1 - 2 years 64
2 - 5 years 106
5 - 10 years 95
10 years or more 130

Stopped taking Fluoxetine

Duration Patients
Less than 1 month 280
1 - 6 months 302
6 months - 1 year 264
1 - 2 years 269
2 - 5 years 287
5 - 10 years 149
10 years or more 134
Adherence
Adherence Evaluations
Always 1413
Usually 320
Sometimes 69
Never taken as prescribed 80
Burden
Burden Evaluations
Very hard to take 58
Somewhat hard to take 137
A little hard to take 299
Not at all hard to take 1388
Cost per month
Cost per month Evaluations
$200+ 4
$100-199 5
$50-99 23
$25-49 76
< $25 986
Not specified 788

What people switch to and from

Patients started taking Fluoxetine after stopping:

Treatment Patients
Sertraline (Zoloft) 79
Venlafaxine (Effexor XR) 60
Citalopram (Celexa) 53
Duloxetine (Cymbalta) 40
Escitalopram (Lexapro) 39

Show all 49 treatments patients report switching from

Patients stopped taking Fluoxetine and switched to:

Treatment Patients
Duloxetine (Cymbalta) 74
Sertraline (Zoloft) 73
Venlafaxine (Effexor XR) 72
Bupropion (Wellbutrin XL) 61
Escitalopram (Lexapro) 41

Show all 55 treatments patients report switching to

Last updated:

137 patient evaluations for Fluoxetine

Apr 29, 2018 (Started Jan 15, 2009)

  • Effectiveness
    Slight (for obsessive-compulsive disorder)
  • Effectiveness
    None (for major depressive disorder)
  • Effectiveness
    None (for dependent personality disorder)
  • Effectiveness
    None (for anxious mood)
  • Side effects
    Mild (daytime tiredness)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 40 mg Daily

Apr 14, 2018 (Started Jan 15, 2009)

  • Effectiveness
    Slight (for obsessive-compulsive disorder)
  • Effectiveness
    None (for major depressive disorder)
  • Effectiveness
    None (for dependent personality disorder)
  • Effectiveness
    None (for anxious mood)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 40 mg Daily

Jun 1, 2014 (Started Jan 15, 2009)

  • Effectiveness
    Slight (for obsessive-compulsive disorder)
  • Effectiveness
    Slight (for major depressive disorder)
  • Effectiveness
    Slight (for anxious mood)
  • Side effects
    Moderate (daytime tiredness)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 40 mg Daily
Advice & Tips: I feel more tired

Jan 27, 2011 (Started Jan 15, 2009)

  • Effectiveness
    Slight (for major depressive disorder)
  • Effectiveness
    Slight (for obsessive-compulsive disorder)
  • Side effects
    Mild (daytime tiredness)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 40 mg Daily
Advice & Tips: I feel more tired, asleep during the day I feel little less dazzling pain but it works less than clonopin used to few side effects no weight disorder provoqued
Cost: < $25 monthly

  • 0 helpful marks

Apr 7, 2018 (Started Feb 01, 2018)

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

  • 0 helpful marks

Jan 17, 2018 (Started Mar 18, 2002)

  • Effectiveness
    Can't tell (for multiple sclerosis)
  • Effectiveness
    Moderate (for mood swings)
  • Effectiveness
    Moderate (for fatigue)
  • 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
    Can't tell (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
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
Last updated:
Showing 3 of 137 patient evaluations for Fluoxetine