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 1,774 1,016
Depressed mood 1,447 768
Generalized anxiety disorder 849 555
Post-traumatic stress disorder 353 243
Anxious mood 229 138
Fibromyalgia 226 127

Show all 224 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 321
Moderate 458
Mild 518
None 742

Commonly reported side effects and conditions associated with Venlafaxine

Side effect Patients
Weight gain 124
Dry mouth 85
Decreased sex drive (libido) 74
Nausea 71
Drowsiness 45
Excessive sweating 41

Show all 342 reported side effects

Dosages

Based on patients currently taking Venlafaxine

Dosage Patients
75 mg daily 122
150 mg daily 108
225 mg daily 65
300 mg daily 55
37.5 mg daily 32
100 mg daily 13
150 mg twice daily 11
75 mg twice daily 9
375 mg daily 8
25 mg daily 7

See all 56 dosages

Why patients stopped taking Venlafaxine

Multiple reasons could be selected

Reason Patients
Did not seem to work 573
Side effects too severe 536
Doctor's advice 371
Other 222
Expense 87
Personal research 71
Course of treatment ended 59
Change in health plan coverage 42
See all 1356 patients who've stopped taking Venlafaxine

Duration

Currently taking Venlafaxine

Duration Patients
1 - 6 months 22
6 months - 1 year 24
1 - 2 years 52
2 - 5 years 149
5 - 10 years 127
10 years or more 123

Stopped taking Venlafaxine

Duration Patients
Less than 1 month 240
1 - 6 months 253
6 months - 1 year 223
1 - 2 years 203
2 - 5 years 270
5 - 10 years 133
10 years or more 56
Adherence
Adherence Evaluations
Always 1649
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 325
Not at all hard to take 1448
Cost per month
Cost per month Evaluations
$200+ 15
$100-199 39
$50-99 68
$25-49 201
< $25 844
Not specified 872

What people switch to and from

Patients started taking Venlafaxine after stopping:

Treatment Patients
Fluoxetine (Prozac) 129
Sertraline (Zoloft) 121
Duloxetine (Cymbalta) 82
Citalopram (Celexa) 81
Bupropion (Wellbutrin XL) 62

Show all 54 treatments patients report switching from

Patients stopped taking Venlafaxine and switched to:

Treatment Patients
Duloxetine (Cymbalta) 69
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