Meclizine and Syncope aggravated - a phase IV clinical study of FDA data

Summary:

Syncope aggravated is reported as a side effect among people who take Meclizine (meclizine hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Lisinopril, and have Pain.

The phase IV clinical study analyzes which people have Syncope aggravated when taking Meclizine. It is created by eHealthMe based on reports of 22,264 people who have side effects when taking Meclizine from the FDA, and is updated regularly.

What is Meclizine?

Meclizine has active ingredients of meclizine hydrochloride. It is often used in dizziness. eHealthMe is studying from 23,117 Meclizine users. Check the latest studies of Meclizine.

What is Syncope aggravated?

Syncope aggravated (a loss of consciousness with an inability to maintain postural tone) is found to be associated with 1,689 drugs and 590 conditions by eHealthMe. Check the latest studies of Syncope aggravated.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 29, 2026

22,264 people reported to have side effects when taking Meclizine.
Among them, 319 people (1.43%) have Syncope aggravated.

Could Meclizine cause Syncope aggravated?

Among these 319 people:

How long have people been on Meclizine when they have Syncope aggravated? *

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What is the gender of people who have Syncope aggravated when taking Meclizine? *

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* Approximation only. Some reports may have incomplete information.

Do you take Meclizine and have Syncope aggravated?

- Check whether Syncope aggravated 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 Meclizine:

Meclizine (23,117 reports)

Syncope aggravated treatments and more:

Syncope aggravated (17 reports)

How severe was Syncope aggravated and when was it recovered:

Syncope aggravated in Meclizine

Expand to all the drugs that have ingredients of meclizine hydrochloride:

Syncope aggravated and drugs with ingredients of meclizine hydrochloride (414 reports)

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 Meclizine:

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 aggravated:

Syncope aggravated (1,689 drugs)

Browse all the conditions that are associated with Syncope aggravated:

Syncope aggravated (590 conditions)

Related publications that referenced our studies

Hassan JK, "POTENTIAL POSITIVE EFFECT OF ORAL PYRIDOXINE ALONE AND IN COMBINATION WITH MECLIZINE ON CIGARETTES SMOKING DURING TENDAYS’TRIAL", IJPSR, 2015 Jan .
Hassan JK, "POTENTIAL POSITIVE EFFECT OF ORAL PYRIDOXINE ALONE AND IN COMBINATION WITH MECLIZINE ON CIGARETTES SMOKING DURING TENDAYS’TRIAL", IJPSR, 2015 Jan .

How the study uses the data?

The study uses data from the FDA. It is based on meclizine hydrochloride (the active ingredients of Meclizine) and Meclizine (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.