Duragesic-100 and Hypomagnesaemia - a phase IV clinical study of FDA data

Summary:

Hypomagnesaemia is reported as a side effect among people who take Duragesic-100 (fentanyl), especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months also take Zometa, and have Lung cancer - non-small cell.

The phase IV clinical study analyzes which people have Hypomagnesaemia when taking Duragesic-100. It is created by eHealthMe based on reports of 19,454 people who have side effects when taking Duragesic-100 from the FDA, and is updated regularly.

What is Duragesic-100?

Duragesic-100 has active ingredients of fentanyl. It is often used in pain. eHealthMe is studying from 19,509 Duragesic-100 users. Check the latest studies of Duragesic-100.

What is Hypomagnesaemia?

Hypomagnesaemia (electrolyte disturbance in which there is an abnormally low level of magnesium in the blood) is found to be associated with 1,029 drugs and 1,056 conditions by eHealthMe. Check the latest studies of Hypomagnesaemia.

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 Aug, 30, 2026

19,454 people reported to have side effects when taking Duragesic-100.
Among them, 58 people (0.3%) have Hypomagnesaemia.

Could Duragesic-100 cause Hypomagnesaemia?

Among these 58 people:

How long have people been on Duragesic-100 when they have Hypomagnesaemia? *

What is the gender of people who have Hypomagnesaemia when taking Duragesic-100? *

female: 72.41 %
male: 27.59 %

What is the age of people who have Hypomagnesaemia when taking Duragesic-100? *

What are other drugs people take besides Duragesic-100? *

What are other side effects people have besides Hypomagnesaemia? *

Hypokalemia (low potassium): 41 people, 70.69%
High Blood Pressure: 24 people, 41.38%
Nausea And Vomiting: 24 people, 41.38%
Constipation: 22 people, 37.93%
Osteonecrosis Of Jaw (death of bone of jaw): 21 people, 36.21%
Indigestion: 21 people, 36.21%
Musculoskeletal Pain (pain affects the bones, muscles, ligaments, tendons, and nerves): 21 people, 36.21%
Hypoaesthesia (reduced sense of touch or sensation): 21 people, 36.21%
Nausea (feeling of having an urge to vomit): 21 people, 36.21%
Nosebleed (bleeding from nose): 21 people, 36.21%

What are the existing conditions these people have? *

Lung Cancer - Non-Small Cell (lung cancer): 15 people, 25.86%
Hypercalcaemia Of Malignancy (elevated calcium (ca+) level in the blood with cancer): 9 people, 15.52%
Breast Cancer: 9 people, 15.52%
Multiple Myeloma (cancer of the plasma cells): 7 people, 12.07%
Prostate Cancer: 4 people, 6.90%
Fibromyalgia (a long-term condition which causes pain all over the body): 3 people, 5.17%
Insomnia (sleeplessness): 3 people, 5.17%
Diarrhea: 3 people, 5.17%
Depression: 2 people, 3.45%
Ill-Defined Disorder: 2 people, 3.45%

* Approximation only. Some reports may have incomplete information.

Do you take Duragesic-100 and have Hypomagnesaemia?

- Check whether Hypomagnesaemia 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 Duragesic-100:

Duragesic-100 (19,509 reports)

Hypomagnesaemia treatments and more:

Hypomagnesaemia (18,707 reports)

Browse all side effects of Duragesic-100:

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 Hypomagnesaemia:

Hypomagnesaemia (1,029 drugs)

Browse all the conditions that are associated with Hypomagnesaemia:

Hypomagnesaemia (1,056 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on fentanyl (the active ingredients of Duragesic-100) and Duragesic-100 (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.