Duricef and Arrhythmias - a phase IV clinical study of FDA data

Summary:

Arrhythmias is reported as a side effect among people who take Duricef (cefadroxil/cefadroxil hemihydrate), especially for people who are male, 60+ old, also take Albuterol, and have Atrial fibrillation/flutter.

The phase IV clinical study analyzes which people have Arrhythmias when taking Duricef. It is created by eHealthMe based on reports of 566 people who have side effects when taking Duricef from the FDA, and is updated regularly.

What is Duricef?

Duricef has active ingredients of cefadroxil/cefadroxil hemihydrate. eHealthMe is studying from 579 Duricef users. Check the latest studies of Duricef.

What is Arrhythmias?

Arrhythmias (irregular heartbeat) is found to be associated with 2,757 drugs and 4,840 conditions by eHealthMe. Check the latest studies of Arrhythmias.

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, 27, 2026

566 people reported to have side effects when taking Duricef.
Among them, 12 people (2.12%) have Arrhythmias.

Among these 12 people:

What is the gender of people who have Arrhythmias when taking Duricef? *

female: 50 %
male: 50 %

What is the age of people who have Arrhythmias when taking Duricef? *

What are other drugs people take besides Duricef? *

What are other side effects people have besides Arrhythmias? *

Heart Palpitations (feelings or sensations that your heart is pounding or racing): 7 people, 58.33%
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): 6 people, 50.00%
Enlarged Heart: 5 people, 41.67%
Chest Pain: 5 people, 41.67%
Depression: 5 people, 41.67%
Abdominal Pain: 5 people, 41.67%
Weight Decreased: 4 people, 33.33%
Upper Respiratory Tract Infection: 4 people, 33.33%
Headache (pain in head): 4 people, 33.33%
Hyperhidrosis (abnormally increased sweating): 4 people, 33.33%

What are the existing conditions these people have? *

Pain: 2 people, 16.67%
Idiopathic Thrombocytopenic Purpura (bleeding disorder in which the immune system destroys platelets, which are necessary for normal blood clotting): 2 people, 16.67%
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, 16.67%
Endometriosis (appearance of endometrial tissue outside the uterus and causing pelvic pain): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Duricef and have Arrhythmias?

- Check whether Arrhythmias 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 Duricef:

Duricef (579 reports)

Arrhythmias treatments and more:

Arrhythmias (177,908 reports)

How severe was Arrhythmias and when was it recovered:

Arrhythmias in Duricef

Expand to all the drugs that have ingredients of cefadroxil/cefadroxil hemihydrate:

Arrhythmias and drugs with ingredients of cefadroxil/cefadroxil hemihydrate

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 Duricef:

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 Arrhythmias:

Arrhythmias (2,757 drugs)

Browse all the conditions that are associated with Arrhythmias:

Arrhythmias (4,840 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on cefadroxil/cefadroxil hemihydrate (the active ingredients of Duricef) and Duricef (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.