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Cordarone and Myocarditis - a phase IV clinical study of FDA data

Summary:

Myocarditis is reported as a side effect among people who take Cordarone (amiodarone hydrochloride), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Eliquis, and have Metastatic malignant melanoma.

The phase IV clinical study analyzes which people have Myocarditis when taking Cordarone. It is created by eHealthMe based on reports of 22,652 people who have side effects when taking Cordarone from the FDA, and is updated regularly.

What is Cordarone?

Cordarone has active ingredients of amiodarone hydrochloride. It is often used in atrial fibrillation/flutter. eHealthMe is studying from 22,776 Cordarone users. Check the latest studies of Cordarone.

What is Myocarditis?

Myocarditis (inflammation of heart muscle myocardium) is found to be associated with 660 drugs and 895 conditions by eHealthMe. Check the latest studies of Myocarditis.

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 Aug, 26, 2026

22,652 people reported to have side effects when taking Cordarone.
Among them, 22 people (0.1%) have Myocarditis.

Could Cordarone cause Myocarditis?

Among these 22 people:

How long have people been on Cordarone when they have Myocarditis? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 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 Myocarditis when taking Cordarone? *

  • female: 23.81 %
  • male: 76.19 %

What is the age of people who have Myocarditis when taking Cordarone? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 10 %
  • 20-29: 0.0 %
  • 30-39: 5 %
  • 40-49: 0.0 %
  • 50-59: 5 %
  • 60+: 80 %

What are other drugs people take besides Cordarone? *

  1. Eliquis: 9 people, 40.91%
  2. Exforge: 6 people, 27.27%
  3. Solu-Medrol: 4 people, 18.18%
  4. Keytruda: 3 people, 13.64%
  5. Cabozantinib: 2 people, 9.09%
  6. Dobutamine Hydrochloride: 2 people, 9.09%
  7. Cefpodoxime Proxetil: 2 people, 9.09%
  8. Augmentin '125': 1 person, 4.55%
  9. Calcium: 1 person, 4.55%
  10. Folic Acid: 1 person, 4.55%

What are other side effects people have besides Myocarditis? *

  1. Diarrhea: 6 people, 27.27%
  2. Weakness: 4 people, 18.18%
  3. Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 4 people, 18.18%
  4. Leukocytosis (increased white blood cells): 4 people, 18.18%
  5. Septic Shock (shock due to blood infection): 3 people, 13.64%
  6. General Physical Health Deterioration (weak health status): 3 people, 13.64%
  7. Liver Disorder (liver diseases): 3 people, 13.64%
  8. Nausea (feeling of having an urge to vomit): 3 people, 13.64%
  9. Lung Disorder (lung disease): 2 people, 9.09%
  10. Adrenal Insufficiency (a condition in which the adrenal glands do not produce adequate amounts of steroids): 2 people, 9.09%

What are the existing conditions these people have? *

  1. Metastatic Malignant Melanoma (spreadable cancer tumour of melanine): 6 people, 27.27%
  2. Metastatic Renal Cell Carcinoma (spreadable kidney cell tumour): 2 people, 9.09%
  3. Rashes (redness): 1 person, 4.55%
  4. Malignant Melanoma Stage Iv (the cancer has spread to other places in the body, such as the lung, liver, brain, bone, soft tissue, or gastrointestinal (gi) tract. cancer may have spread to places in the skin far away from where it first started): 1 person, 4.55%
  5. Lung Cancer - Non-Small Cell (lung cancer): 1 person, 4.55%
  6. High Blood Pressure: 1 person, 4.55%
  7. Graft Versus Host Disease (the donated bone marrow or stem cells view the recipient's body as foreign, and the donated cells/bone marrow attack the body): 1 person, 4.55%
  8. Dry Mouth: 1 person, 4.55%
  9. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 1 person, 4.55%
  10. Cardiac Failure: 1 person, 4.55%

* Approximation only. Some reports may have incomplete information.

Do you take Cordarone and have Myocarditis?

- Check whether Myocarditis 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 Cordarone:

Myocarditis treatments and more:

How severe was Myocarditis and when was it recovered:

Expand to all the drugs that have ingredients of amiodarone 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 Cordarone:

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 Myocarditis:

Browse all the conditions that are associated with Myocarditis:

Related publications that referenced our studies

How the study uses the data?

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