Flavine side effects, by duration, gender and age (a phase IV clinical study of FDA data)

Summary:

Side effects are reported by people who take Flavine (riboflavin (vitamin b2)). Common side effects include benign neoplasm among females and anxiety among males.

The phase IV clinical study is created by eHealthMe based on 48 reports from the FDA, and is updated regularly.

What is Flavine?

Flavine has active ingredients of riboflavin (vitamin b2). eHealthMe is studying from 48 Flavine users. Check the latest studies of Flavine.

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 Sep, 02, 2026

48 people who take Flavine and have side effects are studied.

Flavine side effects.

What are the common side effects of Flavine, by gender? *:

female:

  1. Benign neoplasm (benign (non-cancerous) tumour)
  2. Fall
  3. Abortion spontaneous (naturally occurring miscarriage)
  4. Adverse event
  5. Alanine aminotransferase increased
  6. Arteriosclerosis coronary artery (thickening and hardening of arteries- coronary artery)
  7. Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
  8. Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection)
  9. Complication of delivery
  10. Hair colour changes

male:

  1. Anxiety
  2. Chest discomfort
  3. Death
  4. Electrocardiogram abnormal
  5. Metastatic renal cell carcinoma (spreadable kidney cell tumour)
  6. Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
  7. Dizziness
  8. Migraine without aura (headache without neurological problems)
  9. Polyneuropathy (neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously)

What are the common side effects of Flavine, by age (0-1 to 60+) *:

0-1:

  1. Death

2-9:

  1. Electrocardiogram abnormal
  2. Petit mal epilepsy (absence seizure)

10-19:

  1. Chest discomfort

20-29:

n/a

30-39:

  1. Alanine aminotransferase increased
  2. Complication of delivery
  3. Dizziness

40-49:

  1. Anxiety
  2. Autoimmune hepatitis
  3. Abortion spontaneous (naturally occurring miscarriage)
  4. Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection)
  5. Death

50-59:

  1. Anaphylactic reaction (serious allergic reaction)
  2. Arteriosclerosis coronary artery (thickening and hardening of arteries- coronary artery)
  3. Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
  4. Polyneuropathy (neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously)

60+:

  1. Hair colour changes
  2. Metastatic renal cell carcinoma (spreadable kidney cell tumour)
  3. Polyneuropathy (neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously)
  4. Fall
  5. Adverse event
  6. Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
  7. Clostridium test positive

What are the common side effects of Flavine, by the time people have been on the drug (< 1 month to 10+ years)? *:

< 1 month:

  1. Alanine aminotransferase increased

1 - 6 months:

n/a

6 - 12 months:

  1. Polyneuropathy (neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously)

1 - 2 years:

n/a

2 - 5 years:

  1. Polyneuropathy (neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously)

5 - 10 years:

n/a

10+ years:

n/a

not specified:

  1. Metastatic renal cell carcinoma (spreadable kidney cell tumour)
  2. Abortion spontaneous (naturally occurring miscarriage)
  3. Adverse event
  4. Alanine aminotransferase increased
  5. Anaphylactic reaction (serious allergic reaction)
  6. Arteriosclerosis coronary artery (thickening and hardening of arteries- coronary artery)
  7. Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
  8. Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
  9. Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection)
  10. Clostridium test positive

* Approximation only. Some reports may have incomplete information.

Do you take Flavine?

- Personalize this study to your gender and age
- Predict drug outcomes for up to one year with AI
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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.



How the study uses the data?

The study is based on riboflavin (vitamin b2) (the active ingredients of Flavine) and Flavine (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered.

Related studies are listed below in case you need more information:

Alternative drugs to, pros and cons of Flavine:

All Flavine side effects from A to Z:

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

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.

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