Flavin and Flushing - a phase IV clinical study of FDA data

Summary:

Flushing is reported as a side effect among people who take Flavin (riboflavin (vitamin b2)), especially for people who are female, 40-49 old, also take Magnesium, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Flushing when taking Flavin. It is created by eHealthMe based on reports of 2,778 people who have side effects when taking Flavin from the FDA, and is updated regularly.

What is Flavin?

Flavin has active ingredients of riboflavin (vitamin b2). eHealthMe is studying from 2,870 Flavin users. Check the latest studies of Flavin.

What is Flushing?

Flushing (the warm, red condition of human skin) is found to be associated with 2,042 drugs and 2,918 conditions by eHealthMe. Check the latest studies of Flushing.

On Jun, 20, 2026

2,778 people reported to have side effects when taking Flavin.
Among them, 25 people (0.9%) have Flushing.

Among these 25 people:

What is the gender of people who have Flushing when taking Flavin? *

female: 84 %
male: 16 %

What is the age of people who have Flushing when taking Flavin? *

What are other drugs people take besides Flavin? *

What are other side effects people have besides Flushing? *

Fatigue (feeling of tiredness): 13 people, 52.00%
Diarrhea: 10 people, 40.00%
Dyspnea (difficult or laboured breathing): 8 people, 32.00%
Stress And Anxiety: 8 people, 32.00%
Insomnia (sleeplessness): 8 people, 32.00%
Feeling Abnormal: 7 people, 28.00%
Drug Ineffective: 7 people, 28.00%
Migraine (headache): 7 people, 28.00%
Head Discomfort: 7 people, 28.00%
Lymph Follicular Hypertrophy (an increase in the size of the lymph node follicles): 7 people, 28.00%

What are the existing conditions these people have? *

Migraine (headache): 10 people, 40.00%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 10 people, 40.00%
Anaemia (lack of blood): 6 people, 24.00%
Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 3 people, 12.00%
Gait Disturbance: 3 people, 12.00%
Ill-Defined Disorder: 3 people, 12.00%
Immunodeficiency Common Variable: 3 people, 12.00%
Seasonal Affective Disorder (a type of depression that occurs at a certain time of the year, usually in the winter): 3 people, 12.00%
Menopausal Depression (depression due to hormonal changes after stop of menses): 2 people, 8.00%
Neutrophil Function Disorder (impairment in neutrophil responses that are critical for host defence): 2 people, 8.00%

* Approximation only. Some reports may have incomplete information.

Do you take Flavin and have Flushing?

- Check whether Flushing 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 Flavin:

Flavin (2,870 reports)

Flushing treatments and more:

Flushing (117,676 reports)

Browse all side effects of Flavin:

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 Flushing:

Flushing (2,042 drugs)

Browse all the conditions that are associated with Flushing:

Flushing (2,918 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on riboflavin (vitamin b2) (the active ingredients of Flavin) and Flavin (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.