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 / Nervousness | 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 / Nervousness | 55% |
Headache | 34% |
Nausea | 27% |
Gas | 20% |
Outcomes
Below is the degree of change seen after Venlafaxine (Effexor) is higher than average.

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Outcomes
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Below is the change in the listed outcome after
is higher than average.
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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 |