Cozaar and Sinus node dysfunction - a phase IV clinical study of FDA data

Summary:

Sinus node dysfunction is reported as a side effect among people who take Cozaar (losartan potassium), especially for people who are male, 60+ old, have been taking the drug for 2 - 5 years also take Furosemide, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Sinus node dysfunction 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 45,120 Cozaar users. Check the latest studies of Cozaar.

What is Sinus node dysfunction?

Sinus node dysfunction (a group of abnormal heart rhythms) is found to be associated with 1,210 drugs and 837 conditions by eHealthMe. Check the latest studies of Sinus node dysfunction.

On Oct, 25, 2025

43,582 people reported to have side effects when taking Cozaar.
Among them, 77 people (0.18%) have Sinus node dysfunction.

Could Cozaar cause Sinus node dysfunction?

Among these 77 people:

How long have people been on Cozaar when they have Sinus node dysfunction? *

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What is the gender of people who have Sinus node dysfunction when taking Cozaar? *

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* Approximation only. Some reports may have incomplete information.

Do you take Cozaar and have Sinus node dysfunction?

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Related studies:

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

Cozaar (45,120 reports)

Sinus node dysfunction treatments and more:

Sinus node dysfunction (4,617 reports)

How severe was Sinus node dysfunction and when was it recovered:

Sinus node dysfunction in Cozaar

Expand to all the drugs that have ingredients of losartan potassium:

Sinus node dysfunction and drugs with ingredients of losartan potassium (129 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 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 Sinus node dysfunction:

Browse all the drugs that are associated with Sinus node dysfunction:

Sinus node dysfunction (1,210 drugs)

Common conditions associated with Sinus node dysfunction:

Hypertension: 487 reports
Blood pressure increased: 483 reports
A-fib: 337 reports
Diabetes mellitus aggravated: 222 reports
Diabetes: 221 reports
Multiple myeloma: 169 reports
Osteoporosis: 163 reports
Thin bones: 153 reports
Type 2 diabetes: 124 reports

Browse all the conditions that are associated with Sinus node dysfunction:

Sinus node dysfunction (837 conditions)

Drugs similar to Cozaar and Sinus node dysfunction :

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.