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 1,748 1,009
Depressed mood 1,429 764
Generalized anxiety disorder 851 551
Post-traumatic stress disorder 346 242
Fibromyalgia 226 132
Anxious mood 223 131

Show all 229 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 318
Moderate 460
Mild 515
None 729

Commonly reported side effects and conditions associated with Venlafaxine

Side effect Patients
Weight gain 125
Dry mouth 81
Nausea 67
Brain zaps 56
Decreased sex drive (libido) 51
Drowsiness 44

Show all 436 reported side effects

Dosages

Based on patients currently taking Venlafaxine

Dosage Patients
75 mg daily 138
150 mg daily 134
225 mg daily 71
300 mg daily 60
37.5 mg daily 29
150 mg twice daily 16
100 mg daily 13
75 mg twice daily 11
25 mg daily 8
75 mg three times daily 8

See all 61 dosages

Why patients stopped taking Venlafaxine

Multiple reasons could be selected

Reason Patients
Did not seem to work 571
Side effects too severe 531
Doctor's advice 365
Other 221
Expense 87
Personal research 71
Course of treatment ended 55
Change in health plan coverage 42
See all 1342 patients who've stopped taking Venlafaxine

Duration

Currently taking Venlafaxine

Duration Patients
Less than 1 month 2
1 - 6 months 20
6 months - 1 year 43
1 - 2 years 78
2 - 5 years 167
5 - 10 years 133
10 years or more 136

Stopped taking Venlafaxine

Duration Patients
Less than 1 month 238
1 - 6 months 252
6 months - 1 year 219
1 - 2 years 203
2 - 5 years 269
5 - 10 years 130
10 years or more 54
Adherence
Adherence Evaluations
Always 1632
Usually 281
Sometimes 40
Never taken as prescribed 69
Burden
Burden Evaluations
Very hard to take 94
Somewhat hard to take 170
A little hard to take 323
Not at all hard to take 1435
Cost per month
Cost per month Evaluations
$200+ 15
$100-199 39
$50-99 68
$25-49 201
< $25 834
Not specified 865

What people switch to and from

Patients started taking Venlafaxine after stopping:

Treatment Patients
Fluoxetine (Prozac) 127
Sertraline (Zoloft) 117
Duloxetine (Cymbalta) 81
Citalopram (Celexa) 79
Bupropion (Wellbutrin XL) 61

Show all 51 treatments patients report switching from

Patients stopped taking Venlafaxine and switched to:

Treatment Patients
Duloxetine (Cymbalta) 65
Bupropion (Wellbutrin XL) 48
Fluoxetine (Prozac) 40
Sertraline (Zoloft) 37
Desvenlafaxine (Pristiq) 20

Show all 53 treatments patients report switching to

Last updated:

124 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 124 patient evaluations for Venlafaxine