Effexor and Fatigue - from FDA reports


Fatigue is found among people who take Effexor, especially for people who are female, 60+ old , have been taking the drug for < 1 month, also take medication Ambien, and have Pain. This study is created by eHealthMe based on reports of 74,228 people who have side effects when taking Effexor from FDA, and is updated regularly.

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On Oct, 12, 2018

74,228 people reported to have side effects when taking Effexor.
Among them, 5,206 people (7.01%) have Fatigue


Number of reports submitted per year:

Could Effexor cause Fatigue?

Time on Effexor when people have Fatigue *:

Gender of people who have Fatigue when taking Effexor *:

  • female: 74.63 %
  • male: 25.37 %

Age of people who have Fatigue when taking Effexor *:

Top conditions involved for these people *:

  1. Pain: 464 people, 8.91%
  2. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 291 people, 5.59%
  3. High Blood Pressure: 232 people, 4.46%
  4. Insomnia (sleeplessness): 168 people, 3.23%
  5. Sleep Disorder: 164 people, 3.15%

Click here to view more results or personalize the results to your gender and age

Top co-used drugs for these people *:

  1. Ambien: 511 people, 9.82%
  2. Neurontin: 493 people, 9.47%
  3. Xanax: 491 people, 9.43%
  4. Zometa: 465 people, 8.93%
  5. Synthroid: 460 people, 8.84%

Click here to view more results or personalize the results to your gender and age

Top other side effects for these people *:

  1. Nausea (feeling of having an urge to vomit): 1,455 people, 27.95%
  2. Weakness: 1,293 people, 24.84%
  3. Headache (pain in head): 1,285 people, 24.68%
  4. Dizziness: 1,141 people, 21.92%
  5. Pain: 1,094 people, 21.01%

Click here to view more results or personalize the results to your gender and age

* Approximation only. Some reports may have incomplete information.

FDA reports used in this study



Do you have Fatigue while taking Effexor?


You are not alone:




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What would happen?

Predict new side effects and undetected conditions when you take Effexor and have Fatigue


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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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