What is Venlafaxine?

Category: Prescription Drugs

Most popular types: Effexor XR Effexor Venlafaxine XR Show all

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Venlafaxine is an antidepressant in a group of drugs called selective serotonin and norepinephrine reuptake inhibitors (SSNRIs). It affects chemicals in the brain that may become unbalanced and cause depression. It is used to treat major depressive disorder, anxiety, and panic disorder.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Major depressive disorder 1,679 980
Depressed mood 1,402 761
Generalized anxiety disorder 835 538
Post-traumatic stress disorder 324 237
Anxious mood 223 134
Fibromyalgia 223 125

Show all 222 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 314
Moderate 453
Mild 511
None 709

Commonly reported side effects and conditions associated with Venlafaxine

Side effect Patients
Weight gain 118
Dry mouth 81
Nausea 65
Brain zaps 58
Decreased sex drive (libido) 50
Drowsiness 43

Show all 446 reported side effects

Dosages

Based on patients currently taking Venlafaxine

Dosage Patients
150 mg daily 133
75 mg daily 118
225 mg daily 69
300 mg daily 67
37.5 mg daily 29
100 mg daily 21
150 mg twice daily 19
75 mg twice daily 16
25 mg daily 9
50 mg daily 7

See all 58 dosages

Why patients stopped taking Venlafaxine

Multiple reasons could be selected

Reason Patients
Did not seem to work 551
Side effects too severe 518
Doctor's advice 361
Other 219
Expense 86
Personal research 64
Course of treatment ended 55
Change in health plan coverage 41
See all 1309 patients who've stopped taking Venlafaxine

Duration

Currently taking Venlafaxine

Duration Patients
Less than 1 month 1
1 - 6 months 41
6 months - 1 year 45
1 - 2 years 105
2 - 5 years 146
5 - 10 years 121
10 years or more 122

Stopped taking Venlafaxine

Duration Patients
Less than 1 month 223
1 - 6 months 251
6 months - 1 year 220
1 - 2 years 199
2 - 5 years 267
5 - 10 years 120
10 years or more 52
Adherence
Adherence Evaluations
Always 1600
Usually 279
Sometimes 41
Never taken as prescribed 67
Burden
Burden Evaluations
Very hard to take 94
Somewhat hard to take 169
A little hard to take 320
Not at all hard to take 1404
Cost per month
Cost per month Evaluations
$200+ 15
$100-199 39
$50-99 71
$25-49 201
< $25 820
Not specified 841

What people switch to and from

Patients started taking Venlafaxine after stopping:

Treatment Patients
Fluoxetine (Prozac) 114
Sertraline (Zoloft) 109
Citalopram (Celexa) 80
Duloxetine (Cymbalta) 76
Bupropion (Wellbutrin XL) 56

Show all 53 treatments patients report switching from

Patients stopped taking Venlafaxine and switched to:

Treatment Patients
Duloxetine (Cymbalta) 60
Bupropion (Wellbutrin XL) 44
Fluoxetine (Prozac) 39
Sertraline (Zoloft) 33
Citalopram (Celexa) 19

Show all 51 treatments patients report switching to

Last updated:

121 patient evaluations for Venlafaxine

Jul 26, 2017 (Started Jul 01, 2014)

  • Effectiveness
    Moderate (for major depressive disorder)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 37.5 mg Daily
Cost: < $25 monthly

Nov 30, 2016 (Started Jul 01, 2014)

  • Effectiveness
    Moderate (for major depressive disorder)
  • Side effects
    Mild (unrefreshing or poor sleep)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 37.5 mg Daily
Advice & Tips: I had to go down in dosage because it was affecting my sleep. It is also the reason I increased my trazadone (from 50 to 100mg).
Cost: < $25 monthly

  • 0 helpful marks

Jun 22, 2017 (Started Oct 10, 2006)

  • Effectiveness
    Moderate (for major depressive disorder)
  • Effectiveness
    Moderate (for depressed mood)
  • Side effects
    Mild (male sexual dysfunction)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

Mar 17, 2016 (Started Oct 10, 2006)

  • Effectiveness
    Moderate (for major depressive disorder)
  • Effectiveness
    Moderate (for depressed mood)
  • Side effects
    Mild (male sexual dysfunction)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

Sep 18, 2015 (Started Oct 10, 2006)

  • Effectiveness
    Moderate (for major depressive disorder)
  • Effectiveness
    Moderate (for depressed mood)
  • Side effects
    Mild (male sexual dysfunction)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

Jun 18, 2015 (Started Oct 10, 2006)

  • Effectiveness
    Moderate (for major depressive disorder)
  • Effectiveness
    Moderate (for depressed mood)
  • Side effects
    Mild (male sexual dysfunction)
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

Jul 8, 2013 (Started Oct 10, 2006)

  • Effectiveness
    Moderate (for major depressive disorder)
  • Effectiveness
    Moderate (for depressed mood)
  • Side effects
    Mild (male sexual dysfunction)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily
Advice & Tips: Be sure to taper carefully when/if you want to quit this medication.
Cost: < $25 monthly

Sep 3, 2012 (Started Oct 10, 2006)

  • Effectiveness
    Moderate (for major depressive disorder)
  • Effectiveness
    Moderate (for depressed mood)
  • Side effects
    Mild (male sexual dysfunction)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily
Advice & Tips: Slight sexual dysfunction. As long as I take it several hours before sexual activity it is no problem. A big benefit is the leveling out of emotions.
Cost: < $25 monthly

  • 0 helpful marks

May 23, 2017 (Started Aug 10, 2010)

  • Effectiveness
    Moderate (for major depressive disorder)
  • Effectiveness
    Can’t tell (for generalized anxiety disorder)
  • Effectiveness
    Can’t tell (for borderline personality disorder)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 75 mg Daily
Advice & Tips: This medication is absolute hell to come off, withdrawal effects include brain zaps, insomnia, headaches, nightmares, and light sensitivity. Start and stop this medication with caution.
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 121 patient evaluations for Venlafaxine