Coumadin and Homicidal ideation - a phase IV clinical study of FDA data

Summary:

Homicidal ideation is reported as a side effect among people who take Coumadin (warfarin sodium), especially for people who are female, 40-49 old, have been taking the drug for 6 - 12 months also take Lasix, and have Quit smoking.

The phase IV clinical study analyzes which people have Homicidal ideation when taking Coumadin. It is created by eHealthMe based on reports of 128,882 people who have side effects when taking Coumadin from the FDA, and is updated regularly.

What is Coumadin?

Coumadin has active ingredients of warfarin sodium. It is often used in blood clots. eHealthMe is studying from 133,228 Coumadin users. Check the latest studies of Coumadin.

What is Homicidal ideation?

Homicidal ideation (thoughts about human killing another human) is found to be associated with 358 drugs and 523 conditions by eHealthMe. Check the latest studies of Homicidal ideation.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 29, 2026

128,882 people reported to have side effects when taking Coumadin.
Among them, 28 people (0.02%) have Homicidal ideation.

Could Coumadin cause Homicidal ideation?

Among these 28 people:

How long have people been on Coumadin when they have Homicidal ideation? *

What is the gender of people who have Homicidal ideation when taking Coumadin? *

female: 71.43 %
male: 28.57 %

What is the age of people who have Homicidal ideation when taking Coumadin? *

What are other drugs people take besides Coumadin? *

What are other side effects people have besides Homicidal ideation? *

Suicidal Ideation: 9 people, 32.14%
Hallucinations (sensations that appear real but are created by your mind): 7 people, 25.00%
Anger: 6 people, 21.43%
Agitation (state of anxiety or nervous excitement): 6 people, 21.43%
Depression: 6 people, 21.43%
Insomnia (sleeplessness): 6 people, 21.43%
Vision Blurred: 5 people, 17.86%
Stress And Anxiety: 5 people, 17.86%
Post-Traumatic Stress Disorder: 5 people, 17.86%
Retinal Disorder (disease of retina): 4 people, 14.29%

What are the existing conditions these people have? *

Quit Smoking: 8 people, 28.57%
Stress And Anxiety: 7 people, 25.00%
Hepatitis C: 4 people, 14.29%
Menopausal Symptoms: 2 people, 7.14%
Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 2 people, 7.14%
Pain: 2 people, 7.14%
Depression: 2 people, 7.14%
Fibromyalgia (a long-term condition which causes pain all over the body): 2 people, 7.14%
Multiple Myeloma (cancer of the plasma cells): 2 people, 7.14%
Cardiac Failure Congestive: 1 person, 3.57%

* Approximation only. Some reports may have incomplete information.

Do you take Coumadin and have Homicidal ideation?

- Check whether Homicidal ideation 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 Coumadin:

Coumadin (133,228 reports)

Browse all side effects of Coumadin:

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 Homicidal ideation:

Homicidal ideation (358 drugs)

Browse all the conditions that are associated with Homicidal ideation:

Homicidal ideation (523 conditions)

How the study uses the data?

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