Colecalciferol and Sinus bradycardia - a phase IV clinical study of FDA data

Summary:

Sinus bradycardia is reported as a side effect among people who take Colecalciferol (cholecalciferol), especially for people who are male, 60+ old, also take Metformin, and have Schizophrenia.

The phase IV clinical study analyzes which people have Sinus bradycardia when taking Colecalciferol. It is created by eHealthMe based on reports of 21,141 people who have side effects when taking Colecalciferol from the FDA, and is updated regularly.

What is Colecalciferol?

Colecalciferol has active ingredients of cholecalciferol. eHealthMe is studying from 21,262 Colecalciferol users. Check the latest studies of Colecalciferol.

What is Sinus bradycardia?

Sinus bradycardia (an unusually slow heartbeat due to heart disease) is found to be associated with 898 drugs and 1,055 conditions by eHealthMe. Check the latest studies of Sinus bradycardia.

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 Sep, 01, 2026

21,141 people reported to have side effects when taking Colecalciferol.
Among them, 13 people (0.06%) have Sinus bradycardia.

Could Colecalciferol cause Sinus bradycardia?

Among these 13 people:

What is the gender of people who have Sinus bradycardia when taking Colecalciferol? *

female: 41.67 %
male: 58.33 %

What is the age of people who have Sinus bradycardia when taking Colecalciferol? *

What are other drugs people take besides Colecalciferol? *

What are other side effects people have besides Sinus bradycardia? *

Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 5 people, 38.46%
Fainting (loss of consciousness and postural tone): 5 people, 38.46%
Myocarditis (inflammation of heart muscle myocardium): 5 people, 38.46%
Cardiac Disorder: 3 people, 23.08%
Hallucination, Auditory (perceiving sounds without auditory stimulus): 2 people, 15.38%
Paranoia (psychotic disorder characterized by delusions of persecution with or without grandeur): 2 people, 15.38%
Poor Quality Sleep: 2 people, 15.38%
Headache (pain in head): 2 people, 15.38%
Fall: 2 people, 15.38%
Fatigue (feeling of tiredness): 2 people, 15.38%

What are the existing conditions these people have? *

Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 5 people, 38.46%
Cardiac Failure: 2 people, 15.38%
Type 2 Diabetes: 1 person, 7.69%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 1 person, 7.69%
Ill-Defined Disorder: 1 person, 7.69%
Hepatitis C Virus Test Positive: 1 person, 7.69%
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): 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Colecalciferol and have Sinus bradycardia?

- Check whether Sinus bradycardia 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 Colecalciferol:

Colecalciferol (21,262 reports)

Browse all side effects of Colecalciferol:

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 Sinus bradycardia:

Sinus bradycardia (898 drugs)

Browse all the conditions that are associated with Sinus bradycardia:

Sinus bradycardia (1,055 conditions)

Related publications that referenced our studies

Yaylaci S, Kocayigit I, Genc A, Tamer A, Gunduz H, "Sinus bradycardia caused by flurbiprofen intoxication", Nigerian Journal of Cardiology, 2015 Jan .
Yaylaci S, Kocayigit I, Genc A, Tamer A, Gunduz H, "Sinus bradycardia caused by flurbiprofen intoxication", Nigerian Journal of Cardiology, 2015 Jan .

How the study uses the data?

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