Ferrous fumarate and Encephalopathy - a phase IV clinical study of FDA data

Summary:

Encephalopathy is reported as a side effect among people who take Ferrous fumarate (ferrous fumarate), especially for people who are male, 60+ old, also take Folic Acid, and have Pain.

The phase IV clinical study analyzes which people have Encephalopathy when taking Ferrous fumarate. It is created by eHealthMe based on reports of 9,374 people who have side effects when taking Ferrous fumarate from the FDA, and is updated regularly.

What is Ferrous fumarate?

Ferrous fumarate has active ingredients of ferrous fumarate. It is often used in anemia. eHealthMe is studying from 9,840 Ferrous fumarate users. Check the latest studies of Ferrous fumarate.

What is Encephalopathy?

Encephalopathy (functioning of the brain is affected by some agent or condition) is found to be associated with 1,466 drugs and 1,602 conditions by eHealthMe. Check the latest studies of Encephalopathy.

On Jul, 14, 2026

9,374 people reported to have side effects when taking Ferrous fumarate.
Among them, 16 people (0.17%) have Encephalopathy.

Could Ferrous fumarate cause Encephalopathy?

Among these 16 people:

What is the gender of people who have Encephalopathy when taking Ferrous fumarate? *

female: 46.67 %
male: 53.33 %

What is the age of people who have Encephalopathy when taking Ferrous fumarate? *

What are other drugs people take besides Ferrous fumarate? *

Acetaminophen: 5 people, 31.25%
Folic Acid: 5 people, 31.25%
Morphine: 4 people, 25.00%
Metronidazole: 4 people, 25.00%
Hydrocortisone: 4 people, 25.00%
Heparin Sodium: 4 people, 25.00%
Pantoprazole: 4 people, 25.00%
Tramadol Hydrochloride: 4 people, 25.00%
Tylenol: 3 people, 18.75%
Glucophage: 3 people, 18.75%

What are other side effects people have besides Encephalopathy? *

Weakness: 4 people, 25.00%
Nausea (feeling of having an urge to vomit): 4 people, 25.00%
Pleural Effusion (water on the lungs): 4 people, 25.00%
Renal Tubular Necrosis (death of kidney tubules): 3 people, 18.75%
Sepsis (a severe blood infection that can lead to organ failure and death): 3 people, 18.75%
Headache (pain in head): 3 people, 18.75%
Hypokalemia (low potassium): 3 people, 18.75%
Confusional State: 3 people, 18.75%
Pulmonary Oedema (fluid accumulation in the lungs): 3 people, 18.75%
Dizziness: 3 people, 18.75%

What are the existing conditions these people have? *

Pain: 6 people, 37.50%
Lung Disorder (lung disease): 4 people, 25.00%
Nausea And Vomiting: 3 people, 18.75%
Nausea (feeling of having an urge to vomit): 3 people, 18.75%
Diabetes: 3 people, 18.75%
Ill-Defined Disorder: 2 people, 12.50%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 1 person, 6.25%
Dyspnea (difficult or laboured breathing): 1 person, 6.25%
Dry Mouth: 1 person, 6.25%
Diarrhea: 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Ferrous fumarate and have Encephalopathy?

- Check whether Encephalopathy 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 Ferrous fumarate:

Ferrous fumarate (9,840 reports)

Encephalopathy treatments and more:

Encephalopathy (27,832 reports)

Browse all side effects of Ferrous fumarate:

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 Encephalopathy:

Encephalopathy (1,466 drugs)

Browse all the conditions that are associated with Encephalopathy:

Encephalopathy (1,602 conditions)

Related publications that referenced our studies

Kapoor A, Kumar V, Beniwal S, Dutta S, Goyal S, Kumar HS, "Posterior reversible encephalopathy syndrome in non-Hodgkin's lymphoma: Not necessarily reversible!", Clinical Cancer Investigation Journal, 2015 Mar .
Kapoor A, Kumar V, Beniwal S, Dutta S, Goyal S, Kumar HS, "Posterior reversible encephalopathy syndrome in non-Hodgkin's lymphoma: Not necessarily reversible!", Clinical Cancer Investigation Journal, 2015 Mar .

How the study uses the data?

The study uses data from the FDA. It is based on ferrous fumarate (the active ingredients of Ferrous fumarate) and Ferrous fumarate (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.