Zofran and Hemianopia - a phase IV clinical study of FDA data

Summary:

Hemianopia is reported as a side effect among people who take Zofran (ondansetron hydrochloride), especially for people who are female, 40-49 old, have been taking the drug for 1 - 6 months also take Fentanyl, and have Diarrhea.

The phase IV clinical study analyzes which people have Hemianopia when taking Zofran. It is created by eHealthMe based on reports of 93,713 people who have side effects when taking Zofran from the FDA, and is updated regularly.

What is Zofran?

Zofran has active ingredients of ondansetron hydrochloride. It is often used in nausea. eHealthMe is studying from 94,987 Zofran users. Check the latest studies of Zofran.

What is Hemianopia?

Hemianopia (blindness or reduction in vision in one half of the visual field due to damage of the optic pathways in the brain) is found to be associated with 200 drugs and 402 conditions by eHealthMe. Check the latest studies of Hemianopia.

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 Sep, 02, 2026

93,713 people reported to have side effects when taking Zofran.
Among them, 17 people (0.02%) have Hemianopia.

Among these 17 people:

How long have people been on Zofran when they have Hemianopia? *

What is the gender of people who have Hemianopia when taking Zofran? *

female: 86.67 %
male: 13.33 %

What is the age of people who have Hemianopia when taking Zofran? *

What are other drugs people take besides Zofran? *

Fentanyl: 15 people, 88.24%
Lasix: 14 people, 82.35%
Ramipril: 14 people, 82.35%
Xgeva: 14 people, 82.35%
Levetiracetam: 14 people, 82.35%
Haldol: 14 people, 82.35%
Halcion: 14 people, 82.35%
Movicol: 14 people, 82.35%
Dexamethasone: 14 people, 82.35%
Hydromorphone Hydrochloride: 14 people, 82.35%

What are other side effects people have besides Hemianopia? *

Thrombocytopenia (decrease of platelets in blood): 6 people, 35.29%
Skin Fissures (a crack in the skin): 5 people, 29.41%
White Blood Cell Count Decreased: 5 people, 29.41%
White Blood Cell Count Increased: 2 people, 11.76%
Palmar Erythema (reddening of the palms at the thenar and hypothenar eminences): 2 people, 11.76%
Cardiac Failure Congestive: 2 people, 11.76%
Confusion: 2 people, 11.76%
Faecal Incontinence (a lack of control over passing stool): 2 people, 11.76%
Fatigue (feeling of tiredness): 2 people, 11.76%
Fluid Overload (too much fluid in the blood): 2 people, 11.76%

What are the existing conditions these people have? *

Diarrhea: 14 people, 82.35%
Sleep Disorder: 13 people, 76.47%
Depression: 11 people, 64.71%
Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 5 people, 29.41%
Breast Cancer Metastatic: 5 people, 29.41%
Headache (pain in head): 4 people, 23.53%
Breast Cancer: 1 person, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Zofran and have Hemianopia?

- Check whether Hemianopia 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 Zofran:

Zofran (94,987 reports)

Hemianopia treatments and more:

Hemianopia (1,234 reports)

Browse all side effects of Zofran:

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 Hemianopia:

Hemianopia (200 drugs)

Browse all the conditions that are associated with Hemianopia:

Hemianopia (402 conditions)

How the study uses the data?

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