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 1814 1041
Depressed mood 1468 782
Generalized anxiety disorder 858 558
Post-traumatic stress disorder 360 238
Anxious mood 234 148
Fibromyalgia 224 128

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 Percentage
Severe 334
Moderate 464
Mild 535
None 765

Commonly reported side effects and conditions associated with Venlafaxine

Side effect Patients Percentage
Weight gain 129
Dry mouth 88
Nausea 79
Decreased sex drive (libido) 76
Brain shocks 61
Drowsiness 47

Show all 355 reported side effects

Dosages

Based on patients currently taking Venlafaxine

Dosage Patients Percentage
75 mg daily 76
150 mg daily 70
225 mg daily 43
300 mg daily 39
37.5 mg daily 23
150 mg twice daily 11
100 mg daily 10
75 mg twice daily 7
50 mg daily 5
75 mg three times daily 5

See all 45 dosages

Why patients stopped taking Venlafaxine

Multiple reasons could be selected

Reason Patients Percentage
Did not seem to work 589
Side effects too severe 547
Doctor's advice 380
Other 233
Expense 89
Personal research 74
Course of treatment ended 57
Change in health plan coverage 42
See all 1382 patients who've stopped taking Venlafaxine

Duration

Currently taking Venlafaxine

Duration Patients Percentage
1 - 6 months 13
6 months - 1 year 10
1 - 2 years 30
2 - 5 years 92
5 - 10 years 84
10 years or more 111

Stopped taking Venlafaxine

Duration Patients Percentage
Less than 1 month 248
1 - 6 months 258
6 months - 1 year 222
1 - 2 years 206
2 - 5 years 281
5 - 10 years 139
10 years or more 61
Adherence
Adherence Evaluations Percentage
Always 1699
Usually 286
Sometimes 43
Never taken as prescribed 70
Burden
Burden Evaluations Percentage
Very hard to take 97
Somewhat hard to take 176
A little hard to take 332
Not at all hard to take 1493
Cost per month
Cost per month Evaluations Percentage
$200+ 15
$100-199 40
$50-99 68
$25-49 204
< $25 869
Not specified 902

What people switch to and from

Patients started taking Venlafaxine after stopping:

Treatment Patients Percentage
Fluoxetine (Prozac) 138
Sertraline (Zoloft) 128
Duloxetine (Cymbalta) 86
Citalopram (Celexa) 85
Bupropion (Wellbutrin XL) 67

Show all 54 treatments patients report switching from

Patients stopped taking Venlafaxine and switched to:

Treatment Patients Percentage
Duloxetine (Cymbalta) 72
Bupropion (Wellbutrin XL) 54
Fluoxetine (Prozac) 42
Sertraline (Zoloft) 40
Desvenlafaxine (Pristiq) 24

Show all 54 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: 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 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