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 1,731 1,002
Depressed mood 1,421 757
Generalized anxiety disorder 845 541
Post-traumatic stress disorder 339 235
Fibromyalgia 226 131
Anxious mood 223 130

Show all 226 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
457
Mild
513
None
721

Commonly reported side effects and conditions associated with Venlafaxine

Side effect Patients
Weight gain 124
Dry mouth 81
Nausea 66
Brain zaps 55
Decreased sex drive (libido) 50
Drowsiness 44

Show all 438 reported side effects

Dosages

Based on patients currently taking Venlafaxine

Dosage Patients
75 mg daily 141
150 mg daily 133
225 mg daily 76
300 mg daily 59
37.5 mg daily 38
150 mg twice daily 17
100 mg daily 16
75 mg twice daily 11
25 mg daily 8
75 mg three times daily 8

See all 62 dosages

Why patients stopped taking Venlafaxine

Multiple reasons could be selected

Reason Patients
Did not seem to work 564
Side effects too severe 529
Doctor's advice 363
Other 221
Expense 87
Personal research 69
Course of treatment ended 55
Change in health plan coverage 42
See all 1332 patients who've stopped taking Venlafaxine

Duration

Currently taking Venlafaxine

Duration Patients
Less than 1 month 4
1 - 6 months 27
6 months - 1 year 50
1 - 2 years 92
2 - 5 years 171
5 - 10 years 131
10 years or more 128

Stopped taking Venlafaxine

Duration Patients
Less than 1 month 235
1 - 6 months 253
6 months - 1 year 217
1 - 2 years 201
2 - 5 years 267
5 - 10 years 128
10 years or more 55
Adherence
Adherence Evaluations
Always 1620
Usually 280
Sometimes 41
Never taken as prescribed 68
Burden
Burden Evaluations
Very hard to take 96
Somewhat hard to take 172
A little hard to take 319
Not at all hard to take 1422
Cost per month
Cost per month Evaluations
$200+ 15
$100-199 39
$50-99 68
$25-49 201
< $25 830
Not specified 856

What people switch to and from

Patients started taking Venlafaxine after stopping:

Treatment Patients
Fluoxetine (Prozac) 124
Sertraline (Zoloft) 114
Citalopram (Celexa) 81
Duloxetine (Cymbalta) 81
Bupropion (Wellbutrin XL) 59

Show all 51 treatments patients report switching from

Patients stopped taking Venlafaxine and switched to:

Treatment Patients
Duloxetine (Cymbalta) 63
Bupropion (Wellbutrin XL) 46
Fluoxetine (Prozac) 40
Sertraline (Zoloft) 35
Desvenlafaxine (Pristiq) 20

Show all 52 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: 75 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