Ondansetron and Faeces hard - a phase IV clinical study of FDA data

Summary:

Faeces hard is reported as a side effect among people who take Ondansetron (ondansetron), especially for people who are female, 60+ old, also take Pantoprazole, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Faeces hard 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 122,739 Ondansetron users. Check the latest studies of Ondansetron.

What is Faeces hard?

Faeces hard is found to be associated with 435 drugs and 860 conditions by eHealthMe. Check the latest studies of Faeces hard.

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 Aug, 31, 2026

122,217 people reported to have side effects when taking Ondansetron.
Among them, 58 people (0.05%) have Faeces hard.

Among these 58 people:

What is the gender of people who have Faeces hard when taking Ondansetron? *

female: 58.93 %
male: 41.07 %

What is the age of people who have Faeces hard when taking Ondansetron? *

What are other drugs people take besides Ondansetron? *

What are other side effects people have besides Faeces hard? *

Diarrhea: 24 people, 41.38%
Fatigue (feeling of tiredness): 21 people, 36.21%
Constipation: 18 people, 31.03%
Back Pain: 16 people, 27.59%
Malaise (a feeling of general discomfort or uneasiness): 15 people, 25.86%
Cough: 14 people, 24.14%
Weight Decreased: 13 people, 22.41%
Pain In Extremity: 12 people, 20.69%
Flatulence (flatus expelled through the anus): 12 people, 20.69%
Dizziness: 12 people, 20.69%

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 10 people, 17.24%
Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 9 people, 15.52%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 8 people, 13.79%
Thrombosis (formation of a blood clot inside a blood vessel): 6 people, 10.34%
Depression: 6 people, 10.34%
Tuberculosis (a bacterial infection by mycobacterium tuberculosis): 5 people, 8.62%
Joint Pain: 4 people, 6.90%
Prostate Cancer Metastatic: 4 people, 6.90%
Pain In Extremity: 4 people, 6.90%
Pain: 4 people, 6.90%

* Approximation only. Some reports may have incomplete information.

Do you take Ondansetron and have Faeces hard?

- Check whether Faeces hard 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 Ondansetron:

Ondansetron (122,739 reports)

Faeces hard treatments and more:

Faeces hard (5,849 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 Faeces hard:

Faeces hard (435 drugs)

Browse all the conditions that are associated with Faeces hard:

Faeces hard (860 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.