Meclizine and Hypothyroidism - a phase IV clinical study of FDA data

Summary:

Hypothyroidism 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 Aspirin, and have Gastroesophageal reflux disease.

The phase IV clinical study analyzes which people have Hypothyroidism 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 23,116 Meclizine users. Check the latest studies of Meclizine.

What is Hypothyroidism?

Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development) is found to be associated with 1,616 drugs and 2,600 conditions by eHealthMe. Check the latest studies of Hypothyroidism.

On Jul, 26, 2026

22,264 people reported to have side effects when taking Meclizine.
Among them, 94 people (0.42%) have Hypothyroidism.

Among these 94 people:

How long have people been on Meclizine when they have Hypothyroidism? *

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

female: 95.65 %
male: 4.35 %

What is the age of people who have Hypothyroidism when taking Meclizine? *

What are other drugs people take besides Meclizine? *

What are other side effects people have besides Hypothyroidism? *

Stress And Anxiety: 38 people, 40.43%
Depression: 37 people, 39.36%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 37 people, 39.36%
Pain: 36 people, 38.30%
High Blood Pressure: 29 people, 30.85%
Dyspnea (difficult or laboured breathing): 27 people, 28.72%
Anaemia (lack of blood): 26 people, 27.66%
Diabetes: 24 people, 25.53%
Fall: 24 people, 25.53%
Joint Pain: 23 people, 24.47%

What are the existing conditions these people have? *

Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 13 people, 13.83%
Cardiac Disorder: 12 people, 12.77%
Quit Smoking: 11 people, 11.70%
Breast Cancer: 11 people, 11.70%
Pain: 11 people, 11.70%
Bone Neoplasm Malignant (cancer of bone): 10 people, 10.64%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 10 people, 10.64%
Hypersensitivity: 9 people, 9.57%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 9 people, 9.57%
Constipation: 8 people, 8.51%

* Approximation only. Some reports may have incomplete information.

Do you take Meclizine and have Hypothyroidism?

- Check whether Hypothyroidism 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 (23,116 reports)

Hypothyroidism treatments and more:

Hypothyroidism (168,065 reports)

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 Hypothyroidism:

Hypothyroidism (1,616 drugs)

Browse all the conditions that are associated with Hypothyroidism:

Hypothyroidism (2,600 conditions)

Related publications that referenced our studies

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.