Multaq and Convulsion - a phase IV clinical study of FDA data

Summary:

Convulsion is reported as a side effect among people who take Multaq (dronedarone hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Cardizem, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Convulsion when taking Multaq. It is created by eHealthMe based on reports of 10,572 people who have side effects when taking Multaq from the FDA, and is updated regularly.

What is Multaq?

Multaq has active ingredients of dronedarone hydrochloride. It is often used in atrial fibrillation/flutter. eHealthMe is studying from 11,050 Multaq users. Check the latest studies of Multaq.

What is Convulsion?

Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body) is found to be associated with 1,963 drugs and 2,851 conditions by eHealthMe. Check the latest studies of Convulsion.



On Oct, 17, 2025

10,572 people reported to have side effects when taking Multaq.
Among them, 23 people (0.22%) have Convulsion.

Could Multaq cause Convulsion?

Among these 23 people:

How long have people been on Multaq when they have Convulsion? *

  • < 1 month: 90.91 %
  • 1 - 6 months: 9.09 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Convulsion when taking Multaq? *

  • female: 52.17 %
  • male: 47.83 %

What is the age of people who have Convulsion when taking Multaq? *

  • 0-1: 0.0 %
  • 2-9: 4.55 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 4.55 %
  • 60+: 90.91 %

What are other drugs people take besides Multaq? *

  1. Cardizem: 6 people, 26.09%
  2. Bystolic: 4 people, 17.39%
  3. Digoxin: 3 people, 13.04%
  4. Pantoprazole: 3 people, 13.04%
  5. Aspirin: 3 people, 13.04%
  6. Ativan: 3 people, 13.04%
  7. Dexamethasone: 2 people, 8.70%
  8. Coumadin: 2 people, 8.70%
  9. Claritin: 2 people, 8.70%
  10. Revlimid: 2 people, 8.70%

What are other side effects people have besides Convulsion? *

  1. Cardiac Arrest: 7 people, 30.43%
  2. Loss Of Consciousness: 6 people, 26.09%
  3. Urinary Tract Infection: 3 people, 13.04%
  4. Dizziness: 3 people, 13.04%
  5. Breathing - Slowed Or Stopped: 3 people, 13.04%
  6. Liver Function Test Abnormal: 2 people, 8.70%
  7. Nodal Rhythm (40-50 beats per minute): 2 people, 8.70%
  8. Coronary Heart Disease (narrowing or blockage of the coronary arteries): 2 people, 8.70%
  9. Coughing Up Blood: 2 people, 8.70%
  10. Bradycardia (abnormally slow heart action): 2 people, 8.70%

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): 2 people, 8.70%
  2. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 1 person, 4.35%
  3. 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): 1 person, 4.35%
  4. Osteoporosis (bones weak and more likely to break): 1 person, 4.35%
  5. Multiple Myeloma (cancer of the plasma cells): 1 person, 4.35%
  6. Homocystinuria (inherited disorder in which the body is unable to process certain building blocks of proteins (amino acids) properly): 1 person, 4.35%
  7. Glioblastoma Multiforme (most common and deadliest of malignant primary brain tumours in adults): 1 person, 4.35%
  8. Drug Hypersensitivity: 1 person, 4.35%

* Approximation only. Some reports may have incomplete information.

Do you take Multaq and have Convulsion?

- Check whether 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 Multaq:

Convulsion treatments and more:

How severe was Convulsion and when was it recovered:

Expand to all the drugs that have ingredients of dronedarone hydrochloride:

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 Multaq:

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 Convulsion:

Browse all the conditions that are associated with Convulsion:

Drugs similar to Multaq and Convulsion :


How the study uses the data?

The study uses data from the FDA. It is based on dronedarone hydrochloride (the active ingredients of Multaq) and Multaq (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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