Meclizine and Artery dissection - a phase IV clinical study of FDA data


We study 21,146 people who have side effects when taking Meclizine. Artery dissection is found, especially among people who are female, 60+ old, also take Ortho evra and have Birth control.

The phase IV clinical study analyzes which people take Meclizine and have Artery dissection. It is created by eHealthMe based on reports from the FDA, and is updated regularly. You may use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 700+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Sep, 28, 2023

21,146 people reported to have side effects when taking Meclizine.
Among them, 16 people (0.08%) have Artery dissection.

What is Meclizine?

Meclizine has active ingredients of meclizine hydrochloride. It is used in dizziness. Currently, eHealthMe is studying from 21,978 Meclizine users.

What is Artery dissection?

Artery dissection is found to be associated with 319 drugs and 165 conditions by eHealthMe. Currently, we are studying 508 people who have Artery dissection.

Number of Meclizine and Artery dissection reports submitted per year:

Could Meclizine cause Artery dissection?

Gender of people who have Artery dissection when taking Meclizine *:

  • female: 81.25 %
  • male: 18.75 %

Age of people who have Artery dissection when taking Meclizine *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 100 %

Common drugs people take besides Meclizine *:

  1. Ortho Evra: 12 people, 75.00%
  2. Advil Liqui-Gels: 10 people, 62.50%
  3. Simvastatin: 3 people, 18.75%
  4. Levothyroxine Sodium: 3 people, 18.75%
  5. Advil: 2 people, 12.50%
  6. Xyrem: 1 person, 6.25%
  7. Vitamin D3: 1 person, 6.25%
  8. Vitamin C: 1 person, 6.25%
  9. Plavix: 1 person, 6.25%
  10. Nuvigil: 1 person, 6.25%

Common side effects people have besides Artery dissection *:

  1. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 12 people, 75.00%
  2. Lactic Acidosis (low ph in body tissues): 3 people, 18.75%
  3. Heart Rate Increased: 3 people, 18.75%
  4. Cerebellar Infarction (impaired blood circulation to cerebellum): 3 people, 18.75%
  5. Blood Urea Increased: 3 people, 18.75%
  6. Respiratory Rate Increased (excess breathing rate/min): 2 people, 12.50%
  7. Protein Urine Present: 2 people, 12.50%
  8. Hypovolaemia (a decreased volume of circulating blood in the body): 2 people, 12.50%
  9. Body Temperature Decreased: 2 people, 12.50%
  10. Thrombosis (formation of a blood clot inside a blood vessel): 1 person, 6.25%

Common conditions people have *:

  1. Headache (pain in head): 12 people, 75.00%
  2. Birth Control: 12 people, 75.00%
  3. Type 2 Diabetes: 3 people, 18.75%
  4. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Meclizine and have Artery dissection?

Check whether Artery dissection is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related publications that referenced our studies

Related studies

Meclizine side effects by duration, gender and age:

Artery dissection treatments and more:

All the drugs that are associated with Artery dissection:

All the conditions that are associated with Artery dissection:

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.

Who is eHealthMe?

With medical big data and proven AI 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 700+ 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: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on 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.

Recent studies on eHealthMe: