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 1,758 1,006
Depressed mood 1,437 762
Generalized anxiety disorder 852 552
Post-traumatic stress disorder 348 242
Anxious mood 226 132
Fibromyalgia 226 132

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
Severe 320
Moderate 459
Mild 517
None 730

Commonly reported side effects and conditions associated with Venlafaxine

Side effect Patients
Weight gain 126
Dry mouth 82
Decreased sex drive (libido) 74
Nausea 69
Brain zaps 56
Drowsiness 44

Show all 435 reported side effects

Dosages

Based on patients currently taking Venlafaxine

Dosage Patients
75 mg daily 139
150 mg daily 118
225 mg daily 72
300 mg daily 57
37.5 mg daily 32
150 mg twice daily 14
100 mg daily 13
75 mg twice daily 11
25 mg daily 6
112.5 mg daily 6

See all 52 dosages

Why patients stopped taking Venlafaxine

Multiple reasons could be selected

Reason Patients
Did not seem to work 574
Side effects too severe 533
Doctor's advice 367
Other 221
Expense 87
Personal research 71
Course of treatment ended 56
Change in health plan coverage 42
See all 1348 patients who've stopped taking Venlafaxine

Duration

Currently taking Venlafaxine

Duration Patients
Less than 1 month 2
1 - 6 months 18
6 months - 1 year 38
1 - 2 years 61
2 - 5 years 163
5 - 10 years 134
10 years or more 121

Stopped taking Venlafaxine

Duration Patients
Less than 1 month 239
1 - 6 months 253
6 months - 1 year 220
1 - 2 years 202
2 - 5 years 270
5 - 10 years 131
10 years or more 56
Adherence
Adherence Evaluations
Always 1636
Usually 282
Sometimes 40
Never taken as prescribed 68
Burden
Burden Evaluations
Very hard to take 95
Somewhat hard to take 171
A little hard to take 324
Not at all hard to take 1436
Cost per month
Cost per month Evaluations
$200+ 15
$100-199 39
$50-99 68
$25-49 201
< $25 836
Not specified 867

What people switch to and from

Patients started taking Venlafaxine after stopping:

Treatment Patients
Fluoxetine (Prozac) 128
Sertraline (Zoloft) 120
Citalopram (Celexa) 81
Duloxetine (Cymbalta) 80
Bupropion (Wellbutrin XL) 61

Show all 51 treatments patients report switching from

Patients stopped taking Venlafaxine and switched to:

Treatment Patients
Duloxetine (Cymbalta) 67
Bupropion (Wellbutrin XL) 49
Fluoxetine (Prozac) 40
Sertraline (Zoloft) 37
Desvenlafaxine (Pristiq) 20

Show all 53 treatments patients report switching to

Last updated:

122 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 depressed mood)
  • Effectiveness
    Can't tell (for bipolar II disorder)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 22500 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 major depressive disorder)
  • Effectiveness
    Moderate (for generalized anxiety disorder)
  • Effectiveness
    Moderate (for fibromyalgia)
  • Side effects
    Moderate (difficulty with orgasm, erectile dysfunction, 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 major depressive disorder)
  • Effectiveness
    Moderate (for generalized anxiety disorder)
  • Effectiveness
    Moderate (for fibromyalgia)
  • Side effects
    Mild (difficulty with orgasm, erectile dysfunction, nausea)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 150 mg Twice daily

  • 0 helpful marks
Last updated:
Showing 3 of 122 patient evaluations for Venlafaxine