Vitamin d and Febrile convulsion - a phase IV clinical study of FDA data

Summary:

Febrile convulsion is reported as a side effect among people who take Vitamin d (ergocalciferol), especially for people who are male, 60+ old, also take Vitamin C, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Febrile convulsion when taking Vitamin d. It is created by eHealthMe based on reports of 282,675 people who have side effects when taking Vitamin d from the FDA, and is updated regularly.

What is Vitamin d?

Vitamin d has active ingredients of ergocalciferol. It is often used in low vitamin d. eHealthMe is studying from 294,094 Vitamin d users. Check the latest studies of Vitamin d.

What is Febrile convulsion?

Febrile convulsion (a convulsion associated with a significant rise in body temperature) is found to be associated with 122 drugs and 275 conditions by eHealthMe. Check the latest studies of Febrile convulsion.



On Jul, 18, 2026

282,675 people reported to have side effects when taking Vitamin d.
Among them, 12 people (0.0%) have Febrile convulsion.

Could Vitamin d cause Febrile convulsion?

Among these 12 people:

What is the gender of people who have Febrile convulsion when taking Vitamin d? *

  • female: 27.27 %
  • male: 72.73 %

What is the age of people who have Febrile convulsion when taking Vitamin d? *

  • 0-1: 0.0 %
  • 2-9: 28.57 %
  • 10-19: 14.29 %
  • 20-29: 14.29 %
  • 30-39: 14.29 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 28.57 %

What are other drugs people take besides Vitamin d? *

  1. Calcium: 3 people, 25.00%
  2. Vitamin B1: 3 people, 25.00%
  3. Melatonin: 3 people, 25.00%
  4. Avonex: 3 people, 25.00%
  5. Aspirin: 3 people, 25.00%
  6. Lyrica: 3 people, 25.00%
  7. Vitamin B6: 3 people, 25.00%
  8. Vitamin C: 3 people, 25.00%
  9. Pantoprazole: 2 people, 16.67%
  10. Tpn: 2 people, 16.67%

What are other side effects people have besides Febrile convulsion? *

  1. Back Pain: 4 people, 33.33%
  2. Pain: 4 people, 33.33%
  3. Restless Leg Syndrome (a powerful urge to move your legs): 3 people, 25.00%
  4. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 25.00%
  5. Fever: 3 people, 25.00%
  6. Feeling Hot: 3 people, 25.00%
  7. Appetite - Increased (increased appetite is when you want to eat much more often or in larger quantities than your body requires): 2 people, 16.67%
  8. Loss Of Consciousness: 2 people, 16.67%
  9. The Flu (the flu is caused by an influenza virus): 2 people, 16.67%
  10. Staphylococcal Infection (an infection with staphylococcus bacteria): 2 people, 16.67%

What are the existing conditions these people have? *

  1. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 5 people, 41.67%
  2. Short-Bowel Syndrome (a condition in which the body cannot absorb enough fluids and nutrients because part of the small intestine is missing): 2 people, 16.67%
  3. Seizures (abnormal excessive or synchronous neuronal activity in the brain): 1 person, 8.33%
  4. Pain: 1 person, 8.33%
  5. Hypocalcaemia (levels of calcium in blood serum are abnormally low): 1 person, 8.33%
  6. Headache (pain in head): 1 person, 8.33%
  7. Cystic Fibrosis (disease of the secretary glands): 1 person, 8.33%
  8. Cough: 1 person, 8.33%
  9. Constipation: 1 person, 8.33%
  10. Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin d and have Febrile convulsion?

- Check whether Febrile convulsion is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Vitamin d:

Febrile convulsion treatments and more:

How severe was Febrile convulsion and when was it recovered:

Expand to all the drugs that have ingredients of ergocalciferol:

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Vitamin d:

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 Febrile convulsion:

Browse all the conditions that are associated with Febrile convulsion:

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on ergocalciferol (the active ingredients of Vitamin d) and Vitamin d (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.



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