Centrum and Bundle branch block left - a phase IV clinical study of FDA data

Summary:

Bundle branch block left is reported as a side effect among people who take Centrum (ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e), especially for people who are male, 60+ old, also take Zometa, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Bundle branch block left when taking Centrum. It is created by eHealthMe based on reports of 33,642 people who have side effects when taking Centrum from the FDA, and is updated regularly.

What is Centrum?

Centrum has active ingredients of ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e. It is often used in vitamin supplementation. eHealthMe is studying from 34,686 Centrum users. Check the latest studies of Centrum.

What is Bundle branch block left?

Bundle branch block left (absence of transmission of electric impulses from the atrioventricular (av) bundle of his to the left ventricle) is found to be associated with 731 drugs and 793 conditions by eHealthMe. Check the latest studies of Bundle branch block left.

On Jul, 08, 2026

33,642 people reported to have side effects when taking Centrum.
Among them, 69 people (0.21%) have Bundle branch block left.

Could Centrum cause Bundle branch block left?

Among these 69 people:

What is the gender of people who have Bundle branch block left when taking Centrum? *

female: 30.88 %
male: 69.12 %

What is the age of people who have Bundle branch block left when taking Centrum? *

What are other drugs people take besides Centrum? *

What are other side effects people have besides Bundle branch block left? *

Stress And Anxiety: 54 people, 78.26%
Weakness: 53 people, 76.81%
Pain: 52 people, 75.36%
Dyspnea (difficult or laboured breathing): 50 people, 72.46%
Osteonecrosis Of Jaw (death of bone of jaw): 47 people, 68.12%
Intervertebral Disc Degeneration (spinal disc degeneration): 44 people, 63.77%
Joint Pain: 44 people, 63.77%
Atelectasis (partial or complete collapse of the lung): 43 people, 62.32%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 42 people, 60.87%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 42 people, 60.87%

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 32 people, 46.38%
Neoplasm Malignant (cancer tumour): 9 people, 13.04%
Calcium Deficiency (lack of calcium): 9 people, 13.04%
Metastases To Spine (cancer spreads to spine): 9 people, 13.04%
Lung Neoplasm (tumour of lung): 8 people, 11.59%
High Blood Pressure: 6 people, 8.70%
Breast Cancer: 3 people, 4.35%
High Blood Cholesterol: 3 people, 4.35%
Osteoporosis (bones weak and more likely to break): 3 people, 4.35%
Osteopenia (a condition where bone mineral density is lower than normal): 3 people, 4.35%

* Approximation only. Some reports may have incomplete information.

Do you take Centrum and have Bundle branch block left?

- Check whether Bundle branch block left 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 Centrum:

Centrum (34,686 reports)

Bundle branch block left treatments and more:

Bundle branch block left (6,493 reports)

How severe was Bundle branch block left and when was it recovered:

Bundle branch block left in Centrum

Expand to all the drugs that have ingredients of ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e:

Bundle branch block left and drugs with ingredients of ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e (206 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 Centrum:

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

How the study uses the data?

The study uses data from the FDA. It is based on ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e (the active ingredients of Centrum) and Centrum (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.