Feraheme and Drowsiness - a phase IV clinical study of FDA data

Summary:

Drowsiness is reported as a side effect among people who take Feraheme (ferumoxytol), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Aspirin, and have Iron deficiency anaemia.

The phase IV clinical study analyzes which people have Drowsiness when taking Feraheme. It is created by eHealthMe based on reports of 1,874 people who have side effects when taking Feraheme from the FDA, and is updated regularly.

What is Feraheme?

Feraheme has active ingredients of ferumoxytol. eHealthMe is studying from 1,884 Feraheme users. Check the latest studies of Feraheme.

What is Drowsiness?

Drowsiness is found to be associated with 2,866 drugs and 4,796 conditions by eHealthMe. Check the latest studies of Drowsiness.

On Apr, 14, 2026

1,874 people reported to have side effects when taking Feraheme.
Among them, 24 people (1.28%) have Drowsiness.

Among these 24 people:

How long have people been on Feraheme when they have Drowsiness? *

What is the gender of people who have Drowsiness when taking Feraheme? *

female: 63.64 %
male: 36.36 %

What is the age of people who have Drowsiness when taking Feraheme? *

What are other drugs people take besides Feraheme? *

Lasix: 4 people, 16.67%
Aspirin: 4 people, 16.67%
Renvela: 3 people, 12.50%
Folic Acid: 3 people, 12.50%
Vitamin D3: 3 people, 12.50%
Metoprolol Tartrate: 3 people, 12.50%
Letairis: 2 people, 8.33%
Lisinopril: 2 people, 8.33%
Lisinopril And Hydrochlorothiazide: 2 people, 8.33%
Lovastatin: 2 people, 8.33%

What are other side effects people have besides Drowsiness? *

Hypotension (abnormally low blood pressure): 11 people, 45.83%
Fatigue (feeling of tiredness): 10 people, 41.67%
Dyspnea (difficult or laboured breathing): 7 people, 29.17%
Fever: 5 people, 20.83%
Chest Pain: 4 people, 16.67%
Dizziness: 4 people, 16.67%
Hyperhidrosis (abnormally increased sweating): 4 people, 16.67%
Nausea And Vomiting: 4 people, 16.67%
Feeling Abnormal: 4 people, 16.67%
Headache (pain in head): 4 people, 16.67%

What are the existing conditions these people have? *

Iron Deficiency Anaemia: 6 people, 25.00%
Anaemia (lack of blood): 4 people, 16.67%
Nephrogenic Anaemia (anaemia due to kidney disease): 2 people, 8.33%
Immunodeficiency Common Variable: 2 people, 8.33%
Chronic Renal Failure (kidney failure): 2 people, 8.33%
Transferrin Saturation Decreased: 1 person, 4.17%
Multiple Myeloma (cancer of the plasma cells): 1 person, 4.17%
Lambert-Eaton Syndrome (this means your immune system mistakenly targets healthy cells and tissues in the body): 1 person, 4.17%
Insomnia (sleeplessness): 1 person, 4.17%

* Approximation only. Some reports may have incomplete information.

Do you take Feraheme and have Drowsiness?

- Check whether Drowsiness 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 Feraheme:

Feraheme (1,884 reports)

Drowsiness treatments and more:

Drowsiness (269,040 reports)

Browse all side effects of Feraheme:

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 Drowsiness:

Drowsiness (2,866 drugs)

Browse all the conditions that are associated with Drowsiness:

Drowsiness (4,796 conditions)

How the study uses the data?

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