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 1825 1053
Depressed mood 1466 783
Generalized anxiety disorder 859 560
Post-traumatic stress disorder 357 237
Anxious mood 234 149
Fibromyalgia 224 128

Show all 230 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 337
Moderate 467
Mild 538
None 773

Commonly reported side effects and conditions associated with Venlafaxine

Side effect Patients Percentage
Weight gain 129
Dry mouth 87
Decreased sex drive (libido) 80
Nausea 80
Brain shocks 62
Drowsiness 48

Show all 356 reported side effects

Dosages

Based on patients currently taking Venlafaxine

Dosage Patients Percentage
75 mg daily 67
150 mg daily 65
300 mg daily 37
225 mg daily 31
37.5 mg daily 17
75 mg twice daily 8
150 mg twice daily 8
100 mg daily 6
50 mg daily 5
75 mg three times daily 5

See all 39 dosages

Why patients stopped taking Venlafaxine

Multiple reasons could be selected

Reason Patients Percentage
Did not seem to work 593
Side effects too severe 554
Doctor's advice 381
Other 236
Expense 90
Personal research 75
Course of treatment ended 57
Change in health plan coverage 42
See all 1393 patients who've stopped taking Venlafaxine

Duration

Currently taking Venlafaxine

Duration Patients Percentage
1 - 6 months 7
6 months - 1 year 7
1 - 2 years 24
2 - 5 years 86
5 - 10 years 79
10 years or more 90

Stopped taking Venlafaxine

Duration Patients Percentage
Less than 1 month 248
1 - 6 months 259
6 months - 1 year 226
1 - 2 years 208
2 - 5 years 282
5 - 10 years 140
10 years or more 62
Adherence
Adherence Evaluations Percentage
Always 1713
Usually 286
Sometimes 43
Never taken as prescribed 73
Burden
Burden Evaluations Percentage
Very hard to take 99
Somewhat hard to take 177
A little hard to take 332
Not at all hard to take 1507
Cost per month
Cost per month Evaluations Percentage
$200+ 15
$100-199 40
$50-99 68
$25-49 205
< $25 876
Not specified 911

What people switch to and from

Patients started taking Venlafaxine after stopping:

Treatment Patients Percentage
Fluoxetine (Prozac) 142
Sertraline (Zoloft) 128
Duloxetine (Cymbalta) 90
Citalopram (Celexa) 88
Bupropion (Wellbutrin XL) 67

Show all 54 treatments patients report switching from

Patients stopped taking Venlafaxine and switched to:

Treatment Patients Percentage
Duloxetine (Cymbalta) 75
Bupropion (Wellbutrin XL) 54
Fluoxetine (Prozac) 43
Sertraline (Zoloft) 42
Desvenlafaxine (Pristiq) 23

Show all 53 treatments patients report switching to

Last updated:

119 patient evaluations for Venlafaxine

Jan 15, 2018 (Started May 18, 2017)

  • Effectiveness
    Moderate (for depressed mood)
  • Side effects
    Severe (weight gain)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 75 mg Daily

  • 0 helpful marks

Jan 13, 2018 (Started Jul 01, 2005)

  • Effectiveness
    Can't tell (for bipolar II disorder)
  • Effectiveness
    Can't tell (for depressed mood)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 75 mg Daily
Advice & Tips: Failing to take this on time, or quitting cold turkey has awful, physical side effects.
Cost: < $25 monthly

  • 0 helpful marks

Dec 15, 2017 (Started Jun 30, 2012)

  • Effectiveness
    Moderate (for fibromyalgia)
  • Effectiveness
    Moderate (for generalized anxiety disorder)
  • Effectiveness
    Moderate (for major depressive disorder)
  • Side effects
    Moderate (erectile dysfunction, difficulty with orgasm, nausea)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 150 mg Twice daily

Oct 1, 2015 (Started Jun 30, 2012)

  • Effectiveness
    Moderate (for fibromyalgia)
  • Effectiveness
    Moderate (for generalized anxiety disorder)
  • Effectiveness
    Moderate (for major depressive disorder)
  • Side effects
    Mild (erectile dysfunction, difficulty with orgasm, nausea)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 150 mg Twice daily

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