Ondansetron and Masked facies - a phase IV clinical study of FDA data


Masked facies is reported only by a few people who take Ondansetron.

The phase IV clinical study analyzes which people take Ondansetron and have Masked facies. It is created by eHealthMe based on reports of 97,041 people who have side effects while taking Ondansetron from the FDA, and is updated regularly.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Oct, 02, 2022

97,041 people reported to have side effects when taking Ondansetron.
Among them, 2 people (0.0%) have Masked facies.

What is Ondansetron?

Ondansetron has active ingredients of ondansetron. It is often used in nausea. eHealthMe is studying from 97,498 Ondansetron users for its effectiveness, alternative drugs and more.

What is Masked facies?

Masked facies (mask like facial expression, display little facial expression) is found to be associated with 503 drugs and 222 conditions by eHealthMe.

Number of Ondansetron and Masked facies reports submitted per year:

Could Ondansetron cause Masked facies?

Time on Ondansetron when people have Masked facies *:

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Masked facies when taking Ondansetron *:

  • female: 100 %
  • male: 0.0 %

Age of people who have Masked facies when taking Ondansetron *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 100 %

Common drugs people take besides Ondansetron *:

  1. Senna: 2 people, 100.00%
  2. Renagel: 2 people, 100.00%
  3. Remeron: 2 people, 100.00%
  4. Neurontin: 2 people, 100.00%
  5. Metoclopramide: 2 people, 100.00%
  6. Meclizine: 2 people, 100.00%
  7. Magnevist: 2 people, 100.00%
  8. Heparin: 2 people, 100.00%
  9. Coumadin: 2 people, 100.00%
  10. Colace: 2 people, 100.00%

Common side effects people have besides Masked facies *:

  1. Skin Ulcer: 2 people, 100.00%
  2. Skin Tightness: 2 people, 100.00%
  3. Breathing Difficulty: 2 people, 100.00%
  4. Dry Skin: 2 people, 100.00%
  5. Dyspnea Exertional: 2 people, 100.00%
  6. Excoriation (to tear or wear off the skin of): 2 people, 100.00%
  7. Extremity Contracture (permanent shortening of a muscle or joint of arms and legs): 2 people, 100.00%
  8. Hyperkeratosis (thickening of the outer layer of the skin): 2 people, 100.00%
  9. Hypoaesthesia (reduced sense of touch or sensation): 2 people, 100.00%
  10. Idiopathic Pulmonary Fibrosis (chronic lung disease): 2 people, 100.00%

Common conditions people have *:

  1. Sleep Disorder: 2 people, 100.00%

* Approximation only. Some reports may have incomplete information.

Do you take Ondansetron and have Masked facies?

Check whether Masked facies is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

How severe was Masked facies and when was it recovered:

Expand to all the drugs that have ingredients of ondansetron:

Alternative drugs to, pros and cons of Ondansetron:

Common Ondansetron side effects:

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

Masked facies treatments and more:

COVID vaccines that are related to Masked facies:

All the drugs that are associated with Masked facies:

All the conditions that are associated with Masked facies:

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.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: 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.

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