Cozaar and Bundle branch block left - a phase IV clinical study of FDA data

Summary:

Bundle branch block left 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 5 - 10 years also take Aspirin, and have Depression.

The phase IV clinical study analyzes which people have Bundle branch block left 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 45,124 Cozaar users. Check the latest studies of Cozaar.

What is Bundle branch block left?

Bundle branch block left (absence of transmission of electric impulses from the atrioventricular (av) bundle of his to the left ventricle) is found to be associated with 732 drugs and 793 conditions by eHealthMe. Check the latest studies of Bundle branch block left.

On Jul, 05, 2026

43,582 people reported to have side effects when taking Cozaar.
Among them, 116 people (0.27%) have Bundle branch block left.

Could Cozaar cause Bundle branch block left?

Among these 116 people:

How long have people been on Cozaar when they have Bundle branch block left? *

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What is the gender of people who have Bundle branch block left when taking Cozaar? *

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What is the age of people who have Bundle branch block left when taking Cozaar? *

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* Approximation only. Some reports may have incomplete information.

Do you take Cozaar and have Bundle branch block left?

- Check whether Bundle branch block left 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 Cozaar:

Cozaar (45,124 reports)

Bundle branch block left treatments and more:

Bundle branch block left (6,493 reports)

How severe was Bundle branch block left and when was it recovered:

Bundle branch block left in Cozaar

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

Bundle branch block left and drugs with ingredients of losartan potassium (208 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

Browse all the drugs that are associated with Bundle branch block left:

Bundle branch block left (732 drugs)

Browse all the conditions that are associated with Bundle branch block left:

Bundle branch block left (793 conditions)

Related publications that referenced our studies

Li W, Lamichhane J, "From Heartbreak to Left Bundle Branch Block: A Case of Amitriptyline Overdose", American Journal of Therapeutics, 2017 Sep .
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 .
Li W, Lamichhane J, "From Heartbreak to Left Bundle Branch Block: A Case of Amitriptyline Overdose", American Journal of Therapeutics, 2017 Sep .
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.