Atenolol 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 Atenolol (atenolol), especially for people who are male, 60+ old, have been taking the drug for 2 - 5 years also take Aspirin, and have Atrial fibrillation/flutter.

The phase IV clinical study analyzes which people have Sinus node dysfunction when taking Atenolol. It is created by eHealthMe based on reports of 170,420 people who have side effects when taking Atenolol from the FDA, and is updated regularly.

What is Atenolol?

Atenolol has active ingredients of atenolol. It is often used in high blood pressure. eHealthMe is studying from 176,614 Atenolol users. Check the latest studies of Atenolol.

What is Sinus node dysfunction?

Sinus node dysfunction (a group of abnormal heart rhythms) is found to be associated with 1,156 drugs and 841 conditions by eHealthMe. Check the latest studies of Sinus node dysfunction.

On Mar, 23, 2026

170,420 people reported to have side effects when taking Atenolol.
Among them, 191 people (0.11%) have Sinus node dysfunction.

Could Atenolol cause Sinus node dysfunction?

Among these 191 people:

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

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

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What is the age of people who have Sinus node dysfunction when taking Atenolol? *

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* Approximation only. Some reports may have incomplete information.

Do you take Atenolol and have Sinus node dysfunction?

- Check whether Sinus node dysfunction 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 Atenolol:

Atenolol (176,614 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 Atenolol

Expand to all the drugs that have ingredients of atenolol:

Sinus node dysfunction and drugs with ingredients of atenolol (230 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 Atenolol:

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 Sinus node dysfunction:

Sinus node dysfunction (1,156 drugs)

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

Sinus node dysfunction (841 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on atenolol (the active ingredients of Atenolol) and Atenolol (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.