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 1,584 921
Depressed mood 1,347 730
generalized anxiety disorder 811 509
post-traumatic stress disorder 288 216
fibromyalgia 221 122
Anxious mood 218 129

Show all 241 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 312
Moderate 445
Mild 496
None 651

Commonly reported side effects and conditions associated with Venlafaxine

Side effect Patients
Weight gain 118
Dry mouth 79
Nausea 68
Brain zaps 59
Sex drive (libido) decreased 52
Drowsiness 43

Show all 453 reported side effects

Dosages

Based on patients currently taking Venlafaxine

Dosage Patients
150 mg daily 144
75 mg daily 124
225 mg daily 72
300 mg daily 60
37.5 mg daily 44
100 mg daily 23
150 mg twice daily 18
75 mg twice daily 16
75 mg three times daily 12
100 mg twice daily 10

See all 64 dosages

Why patients stopped taking Venlafaxine

Multiple reasons could be selected

Reason Patients
Did not seem to work 526
Side effects too severe 504
Doctor's advice 351
Other 214
Expense 86
Personal research 63
Course of treatment ended 53
Change in health plan coverage 40
See all 1264 patients who've stopped taking Venlafaxine

Duration

Currently taking Venlafaxine

Duration Patients
Less than 1 month 4
1 - 6 months 36
6 months - 1 year 49
1 - 2 years 112
2 - 5 years 162
5 - 10 years 147
10 years or more 149

Stopped taking Venlafaxine

Duration Patients
Less than 1 month 213
1 - 6 months 245
6 months - 1 year 214
1 - 2 years 195
2 - 5 years 261
5 - 10 years 113
10 years or more 45
Adherence
Adherence Evaluations
Always 1537
Usually 260
Sometimes 41
Never taken as prescribed 66
Burden
Burden Evaluations
Very hard to take 91
Somewhat hard to take 165
A little hard to take 313
Not at all hard to take 1335
Cost per month
Cost per month Evaluations
$200+ 14
$100-199 39
$50-99 72
$25-49 200
< $25 787
Not specified 792

What people switch to and from

Patients started taking Venlafaxine after stopping:

Treatment Patients
Fluoxetine (Prozac) 103
Sertraline (Zoloft) 97
Citalopram (Celexa) 69
Duloxetine (Cymbalta) 67
Bupropion (Wellbutrin XL) 47

Show all 48 treatments patients report switching from

Patients stopped taking Venlafaxine and switched to:

Treatment Patients
Duloxetine (Cymbalta) 50
Bupropion (Wellbutrin XL) 40
Fluoxetine (Prozac) 36
Sertraline (Zoloft) 27
Escitalopram (Lexapro) 19

Show all 49 treatments patients report switching to

Last updated:

119 patient evaluations for Venlafaxine

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

May 4, 2017 (Started Mar 01, 2017)

  • Effectiveness
    Can’t tell (for premenstrual dysphoric disorder)
  • Effectiveness
    Slight (for fibromyalgia)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 37 mg Daily

  • 0 helpful marks
Last updated:
Showing 3 of 119 patient evaluations for Venlafaxine