Famotidine 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 Famotidine (famotidine), especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months also take Aspirin, and have Gastritis.

The phase IV clinical study analyzes which people have Sinus node dysfunction when taking Famotidine. It is created by eHealthMe based on reports of 81,914 people who have side effects when taking Famotidine from the FDA, and is updated regularly.

What is Famotidine?

Famotidine has active ingredients of famotidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 83,399 Famotidine users. Check the latest studies of Famotidine.

What is Sinus node dysfunction?

Sinus node dysfunction (a group of abnormal heart rhythms) is found to be associated with 1,266 drugs and 834 conditions by eHealthMe. Check the latest studies of Sinus node dysfunction.

On Aug, 14, 2025

81,914 people reported to have side effects when taking Famotidine.
Among them, 52 people (0.06%) have Sinus node dysfunction.

Could Famotidine cause Sinus node dysfunction?

Among these 52 people:

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

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

female: 76 %
male: 24 %

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

What are other drugs people take besides Famotidine? *

What are other side effects people have besides Sinus node dysfunction? *

Bradycardia (abnormally slow heart action): 21 people, 40.38%
Visual Impairment: 9 people, 17.31%
Hyperkalemia (damage to or disease of the kidney): 7 people, 13.46%
Sinus Arrest (sinus pause): 7 people, 13.46%
Nausea (feeling of having an urge to vomit): 6 people, 11.54%
Hypovolaemic Shock (shock caused by severe blood or fluid loss): 6 people, 11.54%
Cerebral Infarction (less blood supply to brain resulting tissue damage): 6 people, 11.54%
Fatigue (feeling of tiredness): 6 people, 11.54%
Heart Palpitations (feelings or sensations that your heart is pounding or racing): 5 people, 9.62%
Blood Alkaline Phosphatase Increased: 5 people, 9.62%

What are the existing conditions these people have? *

Gastritis (inflammation of stomach): 8 people, 15.38%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 6 people, 11.54%
Dementia Alzheimer's Type (loss of mental ability with alzheimer's symptom): 6 people, 11.54%
High Blood Pressure: 6 people, 11.54%
Stress And Anxiety: 5 people, 9.62%
Post Herpetic Neuralgia (neuralgia caused by the varicella zoster virus): 5 people, 9.62%
Adverse Drug Reaction: 3 people, 5.77%
Cardiac Failure: 3 people, 5.77%
Endometrial Cancer: 3 people, 5.77%
Type 2 Diabetes: 3 people, 5.77%

* Approximation only. Some reports may have incomplete information.

Do you take Famotidine 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 Famotidine:

Famotidine (83,399 reports)

Browse all side effects of Famotidine:

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 (1,266 drugs)

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

Sinus node dysfunction (834 conditions)

Drugs similar to Famotidine and Sinus node dysfunction :

How the study uses the data?

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