Warfarin sodium and Sudden death unexplained - a phase IV clinical study of FDA data

Summary:

Sudden death unexplained is reported as a side effect among people who take Warfarin sodium (warfarin sodium), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Furosemide,.

The study is created by eHealthMe based on reports of 67,331 people who have side effects when taking Warfarin sodium from the FDA, and is updated regularly.

What is Warfarin sodium?

Warfarin sodium has active ingredients of warfarin sodium. It is often used in atrial fibrillation/flutter. eHealthMe is studying from 71,174 Warfarin sodium users. Check the latest studies of Warfarin sodium.

On Jul, 14, 2026

67,331 people reported to have side effects when taking Warfarin sodium.
Among them, 20 people (0.03%) died.

Could Warfarin sodium cause Sudden death unexplained?

Among these 20 people:

How long have people been on Warfarin sodium when they died? *

What is the gender of people who died when taking Warfarin sodium? *

female: 25 %
male: 75 %

What is the age of people who died when taking Warfarin sodium? *

What are other drugs people take besides Warfarin sodium? *

What are other side effects people have before they died? *

Cardiac Arrest: 4 people, 20.00%
Pulmonary Congestion (congestion in the lungs): 2 people, 10.00%
Emphysema (chronic respiratory disease - over inflation of the air sacs (alveoli) in the lungs): 2 people, 10.00%
Coughing Up Blood: 2 people, 10.00%
Cerebral Ischaemia (insufficient blood flow to the brain to meet metabolic demand): 2 people, 10.00%
Necrosis (the death of body tissue): 2 people, 10.00%
Nosebleed (bleeding from nose): 2 people, 10.00%
Oesophageal Reflux (moving the food downwards): 2 people, 10.00%
Haematemesis (vomiting of blood): 2 people, 10.00%
Productive Cough: 2 people, 10.00%

* Approximation only. Some reports may have incomplete information.

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Warfarin sodium:

Warfarin sodium (71,174 reports)

Expand to all the drugs that have ingredients of warfarin sodium:

Sudden death unexplained and drugs with ingredients of warfarin sodium (42 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 Warfarin sodium:

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 Sudden death unexplained:

Sudden death unexplained (184 drugs)

Browse all the conditions that are associated with Sudden death unexplained:

Sudden death unexplained (24 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on warfarin sodium (the active ingredients of Warfarin sodium) and Warfarin sodium (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.