Ondansetron and Electrocardiogram t wave abnormal - a phase IV clinical study of FDA data

Summary:

Electrocardiogram t wave abnormal is reported as a side effect among people who take Ondansetron (ondansetron), especially for people who are female, 60+ old, also take Lyrica, and have Pain.

The phase IV clinical study analyzes which people have Electrocardiogram t wave abnormal when taking Ondansetron. It is created by eHealthMe based on reports of 122,217 people who have side effects when taking Ondansetron from the FDA, and is updated regularly.

What is Ondansetron?

Ondansetron has active ingredients of ondansetron. It is often used in nausea. eHealthMe is studying from 122,738 Ondansetron users. Check the latest studies of Ondansetron.

What is Electrocardiogram t wave abnormal?

Electrocardiogram t wave abnormal is found to be associated with 422 drugs and 597 conditions by eHealthMe. Check the latest studies of Electrocardiogram t wave abnormal.

On Jul, 11, 2026

122,217 people reported to have side effects when taking Ondansetron.
Among them, 33 people (0.03%) have Electrocardiogram t wave abnormal.

Could Ondansetron cause Electrocardiogram t wave abnormal?

Among these 33 people:

What is the gender of people who have Electrocardiogram t wave abnormal when taking Ondansetron? *

female: 64.29 %
male: 35.71 %

What is the age of people who have Electrocardiogram t wave abnormal when taking Ondansetron? *

What are other drugs people take besides Ondansetron? *

What are other side effects people have besides Electrocardiogram t wave abnormal? *

Sinus Tachycardia (a heart rhythm with elevated rate of impulses originating from the sinoatrial node): 15 people, 45.45%
Fatigue (feeling of tiredness): 13 people, 39.39%
Hypotension (abnormally low blood pressure): 12 people, 36.36%
Chest Pain: 11 people, 33.33%
Stress And Anxiety: 11 people, 33.33%
Mitral Valve Incompetence (inefficient heart valve): 11 people, 33.33%
Enlarged Heart: 10 people, 30.30%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 10 people, 30.30%
Left Ventricular Hypertrophy (the thickening of the myocardium (muscle) of the left ventricle of the heart): 10 people, 30.30%
Pain: 10 people, 30.30%

What are the existing conditions these people have? *

Pain: 6 people, 18.18%
Lumbar Spinal Stenosis (a medical condition in which the spinal canal narrows and compresses the spinal cord and nerves at the level of the lumbar bone): 5 people, 15.15%
Multiple Myeloma (cancer of the plasma cells): 4 people, 12.12%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 4 people, 12.12%
Multiple Sclerosis Relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 9.09%
Muscle Spasticity (tight or stiff muscles and an inability to control those muscles): 3 people, 9.09%
Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 2 people, 6.06%
Anaemia (lack of blood): 2 people, 6.06%
Musculoskeletal Pain (pain affects the bones, muscles, ligaments, tendons, and nerves): 2 people, 6.06%
High Blood Pressure: 2 people, 6.06%

* Approximation only. Some reports may have incomplete information.

Do you take Ondansetron and have Electrocardiogram t wave abnormal?

- Check whether Electrocardiogram t wave abnormal is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Ondansetron:

Ondansetron (122,738 reports)

Browse all side effects of Ondansetron:

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 Electrocardiogram t wave abnormal:

Electrocardiogram t wave abnormal (422 drugs)

Browse all the conditions that are associated with Electrocardiogram t wave abnormal:

Electrocardiogram t wave abnormal (597 conditions)

How the study uses the data?

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