Nuvigil and Blood iron decreased - a phase IV clinical study of FDA data

Summary:

Blood iron decreased is reported as a side effect among people who take Nuvigil (armodafinil), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Xyrem, and have Cataplexy.

The phase IV clinical study analyzes which people have Blood iron decreased when taking Nuvigil. It is created by eHealthMe based on reports of 22,424 people who have side effects when taking Nuvigil from the FDA, and is updated regularly.

What is Nuvigil?

Nuvigil has active ingredients of armodafinil. It is often used in narcolepsy. eHealthMe is studying from 23,669 Nuvigil users. Check the latest studies of Nuvigil.

What is Blood iron decreased?

Blood iron decreased is found to be associated with 958 drugs and 828 conditions by eHealthMe. Check the latest studies of Blood iron decreased.

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, 27, 2026

22,424 people reported to have side effects when taking Nuvigil.
Among them, 29 people (0.13%) have Blood iron decreased.

Could Nuvigil cause Blood iron decreased?

Among these 29 people:

How long have people been on Nuvigil when they have Blood iron decreased? *

What is the gender of people who have Blood iron decreased when taking Nuvigil? *

female: 75.86 %
male: 24.14 %

What is the age of people who have Blood iron decreased when taking Nuvigil? *

What are other drugs people take besides Nuvigil? *

What are other side effects people have besides Blood iron decreased? *

Pain In Extremity: 8 people, 27.59%
Dyspnea (difficult or laboured breathing): 8 people, 27.59%
Muscle Spasms (muscle contraction): 6 people, 20.69%
Fall: 6 people, 20.69%
Weight Increased: 5 people, 17.24%
Blood Potassium Decreased: 5 people, 17.24%
Hypoaesthesia (reduced sense of touch or sensation): 5 people, 17.24%
Feeling Hot: 5 people, 17.24%
Withdrawal Syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance): 4 people, 13.79%
Head Injury: 4 people, 13.79%

What are the existing conditions these people have? *

Cataplexy (loss of muscle tone accompanied by full conscious awareness): 11 people, 37.93%
Restless Leg Syndrome (a powerful urge to move your legs): 5 people, 17.24%
Myasthenia Gravis (a chronic condition that causes muscles to tire and weaken easily): 4 people, 13.79%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 6.90%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 2 people, 6.90%
Tremor (trembling or shaking movements in one or more parts of your body): 2 people, 6.90%
Hypersensitivity: 1 person, 3.45%
Dry Eyes (lack of adequate tears): 1 person, 3.45%
Fluid Retention (an abnormal accumulation of fluid in the blood): 1 person, 3.45%
Gastric Disorder (disease of stomach): 1 person, 3.45%

* Approximation only. Some reports may have incomplete information.

Do you take Nuvigil and have Blood iron decreased?

- Check whether Blood iron decreased 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 Nuvigil:

Nuvigil (23,669 reports)

Browse all side effects of Nuvigil:

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 Blood iron decreased:

Blood iron decreased (958 drugs)

Browse all the conditions that are associated with Blood iron decreased:

Blood iron decreased (828 conditions)

How the study uses the data?

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