Tamiflu and Ventricular tachycardia - a phase IV clinical study of FDA data

Summary:

Ventricular tachycardia is reported as a side effect among people who take Tamiflu (oseltamivir phosphate), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Clarithromycin, and have Atrial fibrillation/flutter.

The phase IV clinical study analyzes which people have Ventricular tachycardia when taking Tamiflu. It is created by eHealthMe based on reports of 21,270 people who have side effects when taking Tamiflu from the FDA, and is updated regularly.

What is Tamiflu?

Tamiflu has active ingredients of oseltamivir phosphate. It is often used in the flu. eHealthMe is studying from 22,209 Tamiflu users. Check the latest studies of Tamiflu.

What is Ventricular tachycardia?

Ventricular tachycardia (rapid heartbeat that originates in one of the lower chambers (the ventricles) of the heart) is found to be associated with 1,289 drugs and 2,097 conditions by eHealthMe. Check the latest studies of Ventricular tachycardia.

On Jul, 22, 2026

21,270 people reported to have side effects when taking Tamiflu.
Among them, 36 people (0.17%) have Ventricular tachycardia.

Could Tamiflu cause Ventricular tachycardia?

Among these 36 people:

How long have people been on Tamiflu when they have Ventricular tachycardia? *

What is the gender of people who have Ventricular tachycardia when taking Tamiflu? *

female: 50 %
male: 50 %

What is the age of people who have Ventricular tachycardia when taking Tamiflu? *

What are other drugs people take besides Tamiflu? *

What are other side effects people have besides Ventricular tachycardia? *

Torsade De Pointes (a abnormal heart rate with abnormal beating pattern): 13 people, 36.11%
Electrocardiogram Qt Prolonged: 8 people, 22.22%
Blood Urea Increased: 7 people, 19.44%
Blood Creatinine Increased: 6 people, 16.67%
Loss Of Consciousness: 6 people, 16.67%
Glomerular Filtration Rate Decreased: 5 people, 13.89%
Fever: 5 people, 13.89%
Malaise (a feeling of general discomfort or uneasiness): 5 people, 13.89%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 5 people, 13.89%
Dehydration (dryness resulting from the removal of water): 4 people, 11.11%

What are the existing conditions these people have? *

Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 5 people, 13.89%
Lower Respiratory Tract Infection: 4 people, 11.11%
Insomnia (sleeplessness): 2 people, 5.56%
Familial Mediterranean Fever (genetic disease recurring attacks of abdominal pain, fever, pleurisy, arthritis, and rash): 2 people, 5.56%
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters): 2 people, 5.56%
Constipation: 2 people, 5.56%
Cardiac Failure Congestive: 2 people, 5.56%
Asthma: 2 people, 5.56%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 2.78%
H1n1 Influenza (flu (influenza), which is caused by virus influenza a (h1n1)): 1 person, 2.78%

* Approximation only. Some reports may have incomplete information.

Do you take Tamiflu and have Ventricular tachycardia?

- Check whether Ventricular tachycardia 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 Tamiflu:

Tamiflu (22,209 reports)

Browse all side effects of Tamiflu:

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 Ventricular tachycardia:

Ventricular tachycardia (1,289 drugs)

Browse all the conditions that are associated with Ventricular tachycardia:

Ventricular tachycardia (2,097 conditions)

Related publications that referenced our studies

Amit K J Mandal, Umar F Khan, Constantinos G Missouris, "Ventricular tachycardia in a patient with sigmoid volvulus on treatment with donepezil", Clinical Toxicology, 2019 Jan .
Amit K J Mandal, Umar F Khan, Constantinos G Missouris, "Ventricular tachycardia in a patient with sigmoid volvulus on treatment with donepezil", Clinical Toxicology, 2019 Jan .

How the study uses the data?

The study uses data from the FDA. It is based on oseltamivir phosphate (the active ingredients of Tamiflu) and Tamiflu (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.