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

Summary:

Headache is reported as a side effect among people who take Mg (magnesium), especially for people who are female, 60+ old, also take Omega 3, and have High blood pressure.

The phase IV clinical study analyzes which people have Headache when taking Mg. It is created by eHealthMe based on reports of 426 people who have side effects when taking Mg from the FDA, and is updated regularly.

What is Mg?

Mg has active ingredients of magnesium. It is often used in hypomagnesemia. eHealthMe is studying from 594 Mg users. Check the latest studies of Mg.

What is Headache?

Headache (pain in head) is found to be associated with 3,757 drugs and 5,776 conditions by eHealthMe. Check the latest studies of Headache.

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 Jul, 12, 2026

426 people reported to have side effects when taking Mg.
Among them, 21 people (4.93%) have Headache.

Among these 21 people:

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

female: 66.67 %
male: 33.33 %

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

What are other drugs people take besides Mg? *

What are other side effects people have besides Headache? *

Dizziness: 8 people, 38.10%
Fatigue (feeling of tiredness): 8 people, 38.10%
Abdominal Pain Upper: 8 people, 38.10%
Muscle Spasms (muscle contraction): 7 people, 33.33%
Stress And Anxiety: 7 people, 33.33%
Nausea (feeling of having an urge to vomit): 6 people, 28.57%
Dry Eyes (lack of adequate tears): 6 people, 28.57%
Depression: 6 people, 28.57%
Chest Pain: 5 people, 23.81%
Insomnia (sleeplessness): 5 people, 23.81%

What are the existing conditions these people have? *

High Blood Pressure: 5 people, 23.81%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 9.52%
High Blood Cholesterol: 1 person, 4.76%
Anogenital Warts: 1 person, 4.76%
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, 4.76%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 1 person, 4.76%
Cardiac Failure Congestive: 1 person, 4.76%
Constipation: 1 person, 4.76%
Depression: 1 person, 4.76%
Flatulence (flatus expelled through the anus): 1 person, 4.76%

* Approximation only. Some reports may have incomplete information.

Do you take Mg 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 Mg:

Mg (594 reports)

Headache treatments and more:

Headache (756,645 reports)

Browse all side effects of Mg:

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 (3,757 drugs)

Browse all the conditions that are associated with Headache:

Headache (5,776 conditions)

How the study uses the data?

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