Phytomenadione and Headache - a phase IV clinical study of FDA data

Summary:

Headache is reported as a side effect among people who take Phytomenadione (vitamin k), especially for people who are female, 30-39 old, have been taking the drug for < 1 month also take Paracetamol, and have Pain.

The phase IV clinical study analyzes which people have Headache when taking Phytomenadione. It is created by eHealthMe based on reports of 924 people who have side effects when taking Phytomenadione from the FDA, and is updated regularly.

What is Phytomenadione?

Phytomenadione has active ingredients of vitamin k. eHealthMe is studying from 924 Phytomenadione users. Check the latest studies of Phytomenadione.

What is Headache?

Headache (pain in head) is found to be associated with 3,751 drugs and 5,772 conditions by eHealthMe. Check the latest studies of Headache.

On Jul, 19, 2026

924 people reported to have side effects when taking Phytomenadione.
Among them, 21 people (2.27%) have Headache.

Among these 21 people:

How long have people been on Phytomenadione when they have Headache? *

What is the gender of people who have Headache when taking Phytomenadione? *

female: 72.22 %
male: 27.78 %

What is the age of people who have Headache when taking Phytomenadione? *

What are other drugs people take besides Phytomenadione? *

What are other side effects people have besides Headache? *

Fever: 9 people, 42.86%
Fatigue (feeling of tiredness): 9 people, 42.86%
Joint Pain: 5 people, 23.81%
Dyspnea (difficult or laboured breathing): 4 people, 19.05%
Weight Increased: 4 people, 19.05%
Pain In Extremity: 4 people, 19.05%
Depressed Mood: 3 people, 14.29%
Muscle Spasms (muscle contraction): 3 people, 14.29%
Oropharyngeal Spasm (contraction of oropharynx): 3 people, 14.29%
Hypotension (abnormally low blood pressure): 3 people, 14.29%

What are the existing conditions these people have? *

Pain: 5 people, 23.81%
Cystic Fibrosis (disease of the secretary glands): 4 people, 19.05%
Depression: 3 people, 14.29%
Pain In Extremity: 3 people, 14.29%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 2 people, 9.52%
Hypersensitivity: 2 people, 9.52%
Productive Cough: 2 people, 9.52%
Burkitt Lymphoma (cancer of the lymphatic system): 2 people, 9.52%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 2 people, 9.52%
Pancreatic Disorder: 2 people, 9.52%

* Approximation only. Some reports may have incomplete information.

Do you take Phytomenadione and have Headache?

- Check whether Headache 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 Phytomenadione:

Phytomenadione (924 reports)

Headache treatments and more:

Headache (756,642 reports)

Browse all side effects of Phytomenadione:

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 Headache:

Headache (3,751 drugs)

Browse all the conditions that are associated with Headache:

Headache (5,772 conditions)

How the study uses the data?

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