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

Summary:

Haematocrit is reported as a side effect among people who take Zofran (ondansetron hydrochloride), especially for people who are female, 60+ old, also take Lasix, and have Paroxysmal nocturnal haemoglobinuria.

The phase IV clinical study analyzes which people have Haematocrit 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 Haematocrit?

Haematocrit is found to be associated with 275 drugs and 575 conditions by eHealthMe. Check the latest studies of Haematocrit.

On Jul, 13, 2026

93,713 people reported to have side effects when taking Zofran.
Among them, 44 people (0.05%) have Haematocrit.

Among these 44 people:

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

female: 61.9 %
male: 38.1 %

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

What are other drugs people take besides Zofran? *

What are other side effects people have besides Haematocrit? *

Platelet Count Abnormal: 15 people, 34.09%
Thrombocytopenia (decrease of platelets in blood): 13 people, 29.55%
Fatigue (feeling of tiredness): 11 people, 25.00%
Haemoglobin Abnormal: 11 people, 25.00%
Dehydration (dryness resulting from the removal of water): 11 people, 25.00%
Haemoglobin Decreased: 10 people, 22.73%
Red Blood Cell Count Decreased: 10 people, 22.73%
Fever: 9 people, 20.45%
Weakness: 9 people, 20.45%
Alanine Aminotransferase Increased: 7 people, 15.91%

What are the existing conditions these people have? *

Paroxysmal Nocturnal Haemoglobinuria (haemoglobin in the urine): 4 people, 9.09%
Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 3 people, 6.82%
Non-Small Cell Lung Cancer Metastatic (type of epithelial lung cancer spreads to other parts): 3 people, 6.82%
Appetite Disorder (abnormal eating habits): 3 people, 6.82%
Ovarian Cancer (cancer of ovary): 2 people, 4.55%
Muscle Spasms (muscle contraction): 2 people, 4.55%
Hiv Infection: 2 people, 4.55%
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): 2 people, 4.55%
Pain: 2 people, 4.55%
Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection): 1 person, 2.27%

* Approximation only. Some reports may have incomplete information.

Do you take Zofran and have Haematocrit?

- Check whether Haematocrit 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)

Haematocrit treatments and more:

Haematocrit (407 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 Haematocrit:

Haematocrit (275 drugs)

Browse all the conditions that are associated with Haematocrit:

Haematocrit (575 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.