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 1,759 1,010
Depressed mood 1,438 763
Generalized anxiety disorder 850 554
Post-traumatic stress disorder 346 240
Anxious mood 228 136
Fibromyalgia 226 132

Show all 228 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 460
Mild 517
None 735

Commonly reported side effects and conditions associated with Venlafaxine

Side effect Patients
Weight gain 125
Dry mouth 82
Decreased sex drive (libido) 74
Nausea 70
Brain zaps 56
Drowsiness 45

Show all 367 reported side effects

Dosages

Based on patients currently taking Venlafaxine

Dosage Patients
75 mg daily 137
150 mg daily 112
225 mg daily 68
300 mg daily 56
37.5 mg daily 31
150 mg twice daily 14
100 mg daily 13
375 mg daily 8
75 mg twice daily 7
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 573
Side effects too severe 533
Doctor's advice 367
Other 220
Expense 87
Personal research 70
Course of treatment ended 57
Change in health plan coverage 42
See all 1346 patients who've stopped taking Venlafaxine

Duration

Currently taking Venlafaxine

Duration Patients
Less than 1 month 8
1 - 6 months 16
6 months - 1 year 30
1 - 2 years 49
2 - 5 years 158
5 - 10 years 137
10 years or more 126

Stopped taking Venlafaxine

Duration Patients
Less than 1 month 239
1 - 6 months 253
6 months - 1 year 221
1 - 2 years 202
2 - 5 years 269
5 - 10 years 129
10 years or more 56
Adherence
Adherence Evaluations
Always 1643
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 326
Not at all hard to take 1441
Cost per month
Cost per month Evaluations
$200+ 15
$100-199 39
$50-99 68
$25-49 203
< $25 839
Not specified 869

What people switch to and from

Patients started taking Venlafaxine after stopping:

Treatment Patients
Fluoxetine (Prozac) 127
Sertraline (Zoloft) 120
Duloxetine (Cymbalta) 82
Citalopram (Celexa) 80
Bupropion (Wellbutrin XL) 61

Show all 51 treatments patients report switching from

Patients stopped taking Venlafaxine and switched to:

Treatment Patients
Duloxetine (Cymbalta) 68
Bupropion (Wellbutrin XL) 48
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