Cozaar and Thyroid function test abnormal - a phase IV clinical study of FDA data

Summary:

Thyroid function test abnormal is reported as a side effect among people who take Cozaar (losartan potassium), especially for people who are female, 60+ old, have been taking the drug for 6 - 12 months also take Lipitor, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Thyroid function test abnormal when taking Cozaar. It is created by eHealthMe based on reports of 43,582 people who have side effects when taking Cozaar from the FDA, and is updated regularly.

What is Cozaar?

Cozaar has active ingredients of losartan potassium. It is often used in high blood pressure. eHealthMe is studying from 45,119 Cozaar users. Check the latest studies of Cozaar.

What is Thyroid function test abnormal?

Thyroid function test abnormal is found to be associated with 1,710 drugs and 1,581 conditions by eHealthMe. Check the latest studies of Thyroid function test abnormal.

On Sep, 06, 2025

43,582 people reported to have side effects when taking Cozaar.
Among them, 113 people (0.26%) have Thyroid function test abnormal.

Could Cozaar cause Thyroid function test abnormal?

Among these 113 people:

How long have people been on Cozaar when they have Thyroid function test abnormal? *

What is the gender of people who have Thyroid function test abnormal when taking Cozaar? *

female: 73.15 %
male: 26.85 %

What is the age of people who have Thyroid function test abnormal when taking Cozaar? *

What are other drugs people take besides Cozaar? *

What are other side effects people have besides Thyroid function test abnormal? *

Weight Decreased: 42 people, 37.17%
Chest Pain: 35 people, 30.97%
Rashes (redness): 34 people, 30.09%
Headache (pain in head): 33 people, 29.20%
Fatigue (feeling of tiredness): 32 people, 28.32%
Muscle Aches (muscle pain): 32 people, 28.32%
Weight Increased: 32 people, 28.32%
Pain In Extremity: 31 people, 27.43%
Diarrhea: 31 people, 27.43%
Joint Pain: 30 people, 26.55%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 25 people, 22.12%
High Blood Cholesterol: 20 people, 17.70%
Diabetes: 20 people, 17.70%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 10 people, 8.85%
Depression: 10 people, 8.85%
Joint Pain: 8 people, 7.08%
Heart Attack: 6 people, 5.31%
Plasmacytoma (neoplasm of plasma cells (usually in bone marrow)): 5 people, 4.42%
Cardiac Disorder: 5 people, 4.42%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 5 people, 4.42%

* Approximation only. Some reports may have incomplete information.

Do you take Cozaar and have Thyroid function test abnormal?

- Check whether Thyroid function test abnormal is associated with a drug or a condition
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Related studies:

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

Cozaar (45,119 reports)

Browse all side effects of Cozaar:

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

Common drugs associated with Thyroid function test abnormal:

Browse all the drugs that are associated with Thyroid function test abnormal:

Thyroid function test abnormal (1,710 drugs)

Common conditions associated with Thyroid function test abnormal:

Browse all the conditions that are associated with Thyroid function test abnormal:

Thyroid function test abnormal (1,581 conditions)

Drugs similar to Cozaar and Thyroid function test abnormal :

Related publications that referenced our studies

Lai SW, Lin HF, Lin CL, Liao KF, "No association between losartan use and acute pancreatitis in hypertensive patients", Eur J Hosp Pharm, 2017 Mar .
Lai SW, Lin HF, Lin CL, Liao KF, "No association between losartan use and acute pancreatitis in hypertensive patients", Eur J Hosp Pharm, 2017 Mar .

How the study uses the data?

The study uses data from the FDA. It is based on losartan potassium (the active ingredients of Cozaar) and Cozaar (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.