Fosrenol 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 Fosrenol (lanthanum carbonate), especially for people who are male, 60+ old, have been taking the drug for 1 - 6 months also take Reglan, and have Hyperparathyroidism secondary.

The phase IV clinical study analyzes which people have Atrial fibrillation/flutter when taking Fosrenol. It is created by eHealthMe based on reports of 5,912 people who have side effects when taking Fosrenol from the FDA, and is updated regularly.

What is Fosrenol?

Fosrenol has active ingredients of lanthanum carbonate. eHealthMe is studying from 5,922 Fosrenol users. Check the latest studies of Fosrenol.

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 3,842 conditions by eHealthMe. Check the latest studies of Atrial fibrillation/flutter.

On Jul, 25, 2026

5,912 people reported to have side effects when taking Fosrenol.
Among them, 93 people (1.57%) have Atrial fibrillation/flutter.

Could Fosrenol cause Atrial fibrillation/flutter?

Among these 93 people:

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

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

female: 42.05 %
male: 57.95 %

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

What are other drugs people take besides Fosrenol? *

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

Hypotension (abnormally low blood pressure): 18 people, 19.35%
Arrhythmias (irregular heartbeat): 15 people, 16.13%
Unresponsive To Stimuli: 14 people, 15.05%
Weakness: 13 people, 13.98%
Cardiac Failure Congestive: 13 people, 13.98%
Diarrhea: 13 people, 13.98%
Nosebleed (bleeding from nose): 12 people, 12.90%
Nausea And Vomiting: 11 people, 11.83%
Pneumonia: 10 people, 10.75%
Shunt Stenosis (narrowing of shunt): 10 people, 10.75%

What are the existing conditions these people have? *

Hyperparathyroidism Secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary): 35 people, 37.63%
Hyperphosphataemia (electrolyte disturbance in which there is an abnormally elevated level of phosphate in the blood): 29 people, 31.18%
High Blood Pressure: 17 people, 18.28%
Anaemia (lack of blood): 9 people, 9.68%
Diabetes: 6 people, 6.45%
Gastritis - Chronic (long lasting inflammation of stomach): 5 people, 5.38%
Hypotension (abnormally low blood pressure): 4 people, 4.30%
Back Pain: 4 people, 4.30%
Blood Phosphorus Increased: 4 people, 4.30%
Osteoporosis (bones weak and more likely to break): 4 people, 4.30%

* Approximation only. Some reports may have incomplete information.

Do you take Fosrenol 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 Fosrenol:

Fosrenol (5,922 reports)

Browse all side effects of Fosrenol:

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 (3,842 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on lanthanum carbonate (the active ingredients of Fosrenol) and Fosrenol (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.