Omnicef and Nausea and vomiting - a phase IV clinical study of FDA data

Summary:

Nausea and vomiting is reported as a side effect among people who take Omnicef (cefdinir), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Zithromax, and have Pain.

The phase IV clinical study analyzes which people have Nausea and vomiting when taking Omnicef. It is created by eHealthMe based on reports of 2,586 people who have side effects when taking Omnicef from the FDA, and is updated regularly.

What is Omnicef?

Omnicef has active ingredients of cefdinir. It is often used in sinusitis. eHealthMe is studying from 2,774 Omnicef users. Check the latest studies of Omnicef.

What is Nausea and vomiting?

Nausea and vomiting is found to be associated with 3,696 drugs and 5,743 conditions by eHealthMe. Check the latest studies of Nausea and vomiting.

On Jul, 13, 2026

2,586 people reported to have side effects when taking Omnicef.
Among them, 152 people (5.88%) have Nausea and vomiting.

Could Omnicef cause Nausea and vomiting?

Among these 152 people:

How long have people been on Omnicef when they have Nausea and vomiting? *

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What is the gender of people who have Nausea and vomiting when taking Omnicef? *

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* Approximation only. Some reports may have incomplete information.

Do you take Omnicef and have Nausea and vomiting?

- Check whether Nausea and vomiting 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 Omnicef:

Omnicef (2,774 reports)

Nausea and vomiting treatments and more:

Nausea and vomiting (529,395 reports)

How severe was Nausea and vomiting and when was it recovered:

Nausea and vomiting in Omnicef

Expand to all the drugs that have ingredients of cefdinir:

Nausea and vomiting and drugs with ingredients of cefdinir (455 reports)

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Omnicef:

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 Nausea and vomiting:

Nausea and vomiting (3,696 drugs)

Browse all the conditions that are associated with Nausea and vomiting:

Nausea and vomiting (5,743 conditions)

How the study uses the data?

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