Xanax and Syncope vasovagal - a phase IV clinical study of FDA data

Summary:

Syncope vasovagal is reported as a side effect among people who take Xanax (alprazolam), especially for people who are female, 60+ old, also take Zoloft, and have Depression.

The phase IV clinical study analyzes which people have Syncope vasovagal when taking Xanax. It is created by eHealthMe based on reports of 126,784 people who have side effects when taking Xanax from the FDA, and is updated regularly.

What is Xanax?

Xanax has active ingredients of alprazolam. It is often used in stress and anxiety. eHealthMe is studying from 135,347 Xanax users. Check the latest studies of Xanax.

What is Syncope vasovagal?

Syncope vasovagal (malfunction in the parts of the nervous system leads to consciousness with an inability to maintain postural tone) is found to be associated with 156 drugs and 450 conditions by eHealthMe. Check the latest studies of Syncope vasovagal.



On Jul, 12, 2026

126,784 people reported to have side effects when taking Xanax.
Among them, 13 people (0.01%) have Syncope vasovagal.

Could Xanax cause Syncope vasovagal?

Among these 13 people:

What is the gender of people who have Syncope vasovagal when taking Xanax? *

  • female: 76.92 %
  • male: 23.08 %

What is the age of people who have Syncope vasovagal when taking Xanax? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 25.0 %
  • 30-39: 0.0 %
  • 40-49: 8.33 %
  • 50-59: 25.0 %
  • 60+: 41.67 %

What are other drugs people take besides Xanax? *

  1. Zoloft: 5 people, 38.46%
  2. Neurontin: 4 people, 30.77%
  3. Alprazolam: 3 people, 23.08%
  4. Wellbutrin: 3 people, 23.08%
  5. Effexor: 3 people, 23.08%
  6. Ultram: 3 people, 23.08%
  7. Zyprexa: 2 people, 15.38%
  8. Seroquel: 2 people, 15.38%
  9. Prilosec: 2 people, 15.38%
  10. Piroxicam: 2 people, 15.38%

What are other side effects people have besides Syncope vasovagal? *

  1. Depression: 3 people, 23.08%
  2. Hypoaesthesia (reduced sense of touch or sensation): 3 people, 23.08%
  3. Heart Palpitations (feelings or sensations that your heart is pounding or racing): 3 people, 23.08%
  4. Weight Decreased: 2 people, 15.38%
  5. Nervousness: 2 people, 15.38%
  6. Hot Flush (sudden feelings of heat): 2 people, 15.38%
  7. Completed Suicide (act of taking one's own life): 2 people, 15.38%
  8. Hypotension (abnormally low blood pressure): 2 people, 15.38%
  9. Impaired Work Ability: 2 people, 15.38%
  10. Heavy Or Prolong Menstrual Bleeding: 2 people, 15.38%

What are the existing conditions these people have? *

  1. Depression: 4 people, 30.77%
  2. Pain: 3 people, 23.08%
  3. Headache (pain in head): 2 people, 15.38%
  4. Fainting (loss of consciousness and postural tone): 2 people, 15.38%
  5. Birth Control: 2 people, 15.38%
  6. Urinary Incontinence (inability to control the flow of urine and involuntary urination): 1 person, 7.69%
  7. Migraine (headache): 1 person, 7.69%
  8. Insomnia (sleeplessness): 1 person, 7.69%
  9. Ill-Defined Disorder: 1 person, 7.69%
  10. High Blood Cholesterol: 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Xanax and have Syncope vasovagal?

- Check whether Syncope vasovagal is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

Effectiveness of, long term effects of, and alternative drugs to Xanax:

  • Xanax (135,347 reports)

Syncope vasovagal treatments and more:

How severe was Syncope vasovagal and when was it recovered:

Expand to all the drugs that have ingredients of alprazolam:

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Xanax:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Syncope vasovagal:

Browse all the conditions that are associated with Syncope vasovagal:


How the study uses the data?

The study uses data from the FDA. It is based on alprazolam (the active ingredients of Xanax) and Xanax (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



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