Vitamin k and Presyncope - a phase IV clinical study of FDA data

Summary:

Presyncope is reported as a side effect among people who take Vitamin k (vitamin k), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Vitamin D, and have Hiatal hernia.

The phase IV clinical study analyzes which people have Presyncope when taking Vitamin k. It is created by eHealthMe based on reports of 5,343 people who have side effects when taking Vitamin k from the FDA, and is updated regularly.

What is Vitamin k?

Vitamin k has active ingredients of vitamin k. It is often used in osteoporosis. eHealthMe is studying from 5,651 Vitamin k users. Check the latest studies of Vitamin k.

What is Presyncope?

Presyncope is found to be associated with 1,363 drugs and 1,286 conditions by eHealthMe. Check the latest studies of Presyncope.

On Jul, 21, 2026

5,343 people reported to have side effects when taking Vitamin k.
Among them, 13 people (0.24%) have Presyncope.

Among these 13 people:

How long have people been on Vitamin k when they have Presyncope? *

What is the gender of people who have Presyncope when taking Vitamin k? *

female: 81.82 %
male: 18.18 %

What is the age of people who have Presyncope when taking Vitamin k? *

What are other drugs people take besides Vitamin k? *

What are other side effects people have besides Presyncope? *

Pain: 7 people, 53.85%
Diarrhea: 7 people, 53.85%
Weight Increased: 6 people, 46.15%
Feeling Hot: 5 people, 38.46%
Urinary Tract Infection: 5 people, 38.46%
Breast Cancer: 5 people, 38.46%
Electrolyte Imbalance: 5 people, 38.46%
Dizziness: 4 people, 30.77%
Stress And Anxiety: 3 people, 23.08%
Chest Pain: 3 people, 23.08%

What are the existing conditions these people have? *

Faeces Discolored: 5 people, 38.46%
Gastritis Erosive (a break in the surface layer of the membrane lining the stomach with infection): 5 people, 38.46%
Hiatal Hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm): 5 people, 38.46%
Lower Respiratory Tract Infection: 3 people, 23.08%
High Blood Pressure: 2 people, 15.38%
Upper Respiratory Tract Infection: 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%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 1 person, 7.69%
Bipolar Disorder (mood disorder): 1 person, 7.69%
Ill-Defined Disorder: 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin k and have Presyncope?

- Check whether Presyncope 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 Vitamin k:

Vitamin k (5,651 reports)

Presyncope treatments and more:

Presyncope (26,156 reports)

Browse all side effects of Vitamin k:

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 Presyncope:

Presyncope (1,363 drugs)

Browse all the conditions that are associated with Presyncope:

Presyncope (1,286 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on vitamin k (the active ingredients of Vitamin k) and Vitamin k (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.