Cefdinir and Atrial fibrillation/flutter - a phase IV clinical study of FDA data

Summary:

Atrial fibrillation/flutter is reported as a side effect among people who take Cefdinir (cefdinir), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Furosemide, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Atrial fibrillation/flutter when taking Cefdinir. It is created by eHealthMe based on reports of 8,699 people who have side effects when taking Cefdinir from the FDA, and is updated regularly.

What is Cefdinir?

Cefdinir has active ingredients of cefdinir. It is often used in sinusitis. eHealthMe is studying from 9,210 Cefdinir users. Check the latest studies of Cefdinir.

What is Atrial fibrillation/flutter?

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) is found to be associated with 2,364 drugs and 3,841 conditions by eHealthMe. Check the latest studies of Atrial fibrillation/flutter.

On Jul, 13, 2026

8,699 people reported to have side effects when taking Cefdinir.
Among them, 95 people (1.09%) have Atrial fibrillation/flutter.

Could Cefdinir cause Atrial fibrillation/flutter?

Among these 95 people:

How long have people been on Cefdinir when they have Atrial fibrillation/flutter? *

What is the gender of people who have Atrial fibrillation/flutter when taking Cefdinir? *

female: 39.13 %
male: 60.87 %

What is the age of people who have Atrial fibrillation/flutter when taking Cefdinir? *

What are other drugs people take besides Cefdinir? *

What are other side effects people have besides Atrial fibrillation/flutter? *

High Blood Pressure: 33 people, 34.74%
Dyspnea (difficult or laboured breathing): 26 people, 27.37%
Chest Pain: 22 people, 23.16%
Dizziness: 22 people, 23.16%
Fatigue (feeling of tiredness): 20 people, 21.05%
Nausea (feeling of having an urge to vomit): 19 people, 20.00%
Diarrhea: 18 people, 18.95%
Pneumonia: 17 people, 17.89%
Heart Rate Irregular: 17 people, 17.89%
Enlarged Heart: 16 people, 16.84%

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 9 people, 9.47%
Immunodeficiency Common Variable: 8 people, 8.42%
Idiopathic Pulmonary Fibrosis (chronic lung disease): 5 people, 5.26%
Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 4 people, 4.21%
Pulmonary Hypertension (increase in blood pressure in the lung artery): 4 people, 4.21%
High Blood Pressure: 4 people, 4.21%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 4 people, 4.21%
Cardiac Failure: 4 people, 4.21%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 3 people, 3.16%
Clostridium Difficile Colitis (inflammation of colon by clostridium difficile bacteria infection): 3 people, 3.16%

* Approximation only. Some reports may have incomplete information.

Do you take Cefdinir and have Atrial fibrillation/flutter?

- Check whether Atrial fibrillation/flutter 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 Cefdinir:

Cefdinir (9,210 reports)

Browse all side effects of Cefdinir:

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 Atrial fibrillation/flutter:

Atrial fibrillation/flutter (2,364 drugs)

Browse all the conditions that are associated with Atrial fibrillation/flutter:

Atrial fibrillation/flutter (3,841 conditions)

How the study uses the data?

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