Treatment Effectiveness
User reported effectiveness ratings Venlafaxine (Effexor) for various conditions.
Conditions | Major Improvement | Moderate Improvement | Much Worse | No Effect | Worse | Responses |
---|---|---|---|---|---|---|
Menopause | 0% | 0% | 100% | 0% | 0% | 1 |
Anxiety | 13% | 30% | 19% | 26% | 13% | 247 |
Side Effects
User-reported side effects of Venlafaxine (Effexor)
Side Effect | Percent of Reports Venlafaxine (Effexor) |
---|---|
Nervousness | 49% |
Diarrhea | 12% |
Constipation | 25% |
Dry Mouth | 39% |
Heartburn | 15% |
Stomach Pain | 13% |
Brain "Zaps" | 47% |
Burping | 9% |
Change in Ability to Taste Food | 16% |
Changes in Sexual Desire or Ability | 54% |
Cold Nose | 4% |
Difficulty Urinating | 9% |
Dizziness | 39% |
Drowsiness | 36% |
Enlarged Pupils (Black Circles in the Middle of the Eyes) | 12% |
Frequent Urination | 16% |
Hot Flashes or Flushing | 27% |
Loss of Appetite | 20% |
Muscle Tightness | 17% |
Nightmares | 32% |
Pain, Burning, Numbness, or Tingling in Part of the Body | 13% |
Ringing in the Ears | 21% |
Sore Skin | 12% |
Sore Throat, Chills, or Other Signs of Infection | 9% |
Sweating | 31% |
Twitching | 22% |
Uncontrollable Shaking of a Part of the Body | 12% |
Vomiting | 6% |
Weakness or Tiredness | 41% |
Weight Gain | 41% |
Weight Loss | 11% |
Yawning | 24% |
Anxiety | 55% |
Headache | 34% |
Nausea | 27% |
Gas | 20% |
Outcomes
Below is the degree of change seen after Venlafaxine (Effexor) is higher than average.

Outcomes Label
Outcomes
of
Below is the change in the listed outcome after
is higher than average.
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(a['number_of_days'] < b['number_of_days']) ? 1 : -1)" title="Click to put the results with the most supporting data points at the top.">
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Venlafaxine (Effexor) Info
Property | Value |
---|---|
Variable Name | Venlafaxine (Effexor) |
Aggregation Method | SUM |
Analysis Performed At | 2020-03-17 |
Duration of Action | 21 days |
Filling Value | 0 |
Minimum Allowed Value | 0 count |
Number of Aggregate Predictors | 0 |
Number of Aggregate Outcomes | 0 |
Number of Measurements | 0 |
Number of Measurements (including those generated by tagged, joined, or child variables) | 0 |
Public | true |
Onset Delay | 30 minutes |
Unit | Count |
User Variables | 0 |
Variable Category | Treatments |
Variable ID | 95754 |