Coumadin and Influenza like illness - a phase IV clinical study of FDA data

Summary:

Influenza like illness is reported as a side effect among people who take Coumadin (warfarin sodium), especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months also take Lasix, and have Primary pulmonary hypertension.

The phase IV clinical study analyzes which people have Influenza like illness 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 Influenza like illness?

Influenza like illness is found to be associated with 1,891 drugs and 1,870 conditions by eHealthMe. Check the latest studies of Influenza like illness.

On Jul, 11, 2026

128,882 people reported to have side effects when taking Coumadin.
Among them, 540 people (0.42%) have Influenza like illness.

Could Coumadin cause Influenza like illness?

Among these 540 people:

How long have people been on Coumadin when they have Influenza like illness? *

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What is the gender of people who have Influenza like illness when taking Coumadin? *

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What is the age of people who have Influenza like illness when taking Coumadin? *

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* Approximation only. Some reports may have incomplete information.

Do you take Coumadin and have Influenza like illness?

- Check whether Influenza like illness 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)

Influenza like illness treatments and more:

Influenza like illness (105,520 reports)

How severe was Influenza like illness and when was it recovered:

Influenza like illness in Coumadin

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

Influenza like illness and drugs with ingredients of warfarin sodium (1,043 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 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 Influenza like illness:

Influenza like illness (1,891 drugs)

Browse all the conditions that are associated with Influenza like illness:

Influenza like illness (1,870 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.