Selenium and Crps - a phase IV clinical study of FDA data

Summary:

Crps is reported as a side effect among people who take Selenium (selenium), especially for people who are female, 60+ old, also take Synthroid, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Crps when taking Selenium. It is created by eHealthMe based on reports of 5,049 people who have side effects when taking Selenium from the FDA, and is updated regularly.

What is Selenium?

Selenium has active ingredients of selenium. It is often used in vitamin supplementation. eHealthMe is studying from 5,314 Selenium users. Check the latest studies of Selenium.

What is Crps?

Crps (complex regional pain syndrome) is found to be associated with 348 drugs and 722 conditions by eHealthMe. Check the latest studies of Crps.

On Jan, 06, 2026

5,049 people reported to have side effects when taking Selenium.
Among them, 14 people (0.28%) have Crps.

Among these 14 people:

What is the gender of people who have Crps when taking Selenium? *

female: 100 %
male: 0.0 %

What is the age of people who have Crps when taking Selenium? *

What are other drugs people take besides Selenium? *

What are other side effects people have besides Crps? *

High Blood Pressure: 9 people, 64.29%
Joint Swelling: 9 people, 64.29%
Joint Pain: 8 people, 57.14%
Oral Mucosal Erythema (redness of the mucous membrane of mouth): 8 people, 57.14%
Blood Pressure Systolic Increased: 8 people, 57.14%
Drug Ineffective: 8 people, 57.14%
Fatigue (feeling of tiredness): 8 people, 57.14%
Feeling Hot: 8 people, 57.14%
H1n1 Influenza (flu (influenza), which is caused by virus influenza a (h1n1)): 8 people, 57.14%
Headache (pain in head): 8 people, 57.14%

What are the existing conditions these people have? *

Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 8 people, 57.14%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 6 people, 42.86%
Fibromyalgia (a long-term condition which causes pain all over the body): 5 people, 35.71%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 1 person, 7.14%

* Approximation only. Some reports may have incomplete information.

Do you take Selenium and have Crps?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Selenium:

Selenium (5,314 reports)

Crps treatments and more:

Crps (6,129 reports)

Browse all side effects of Selenium:

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 Crps:

Crps (348 drugs)

Browse all the conditions that are associated with Crps:

Crps (722 conditions)

Drugs similar to Selenium and Crps :

How the study uses the data?

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