Cordarone vs. Rythmol sr: side effect and effectiveness comparison (a real world drug study)
Summary:
We compare the side effects and drug effectiveness of Cordarone and Rythmol sr. The phase IV clinical study is created by eHealthMe based on reports (from sources including the FDA) of 106,231 people who take Cordarone and Rythmol sr, 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 Rythmol sr?
Rythmol sr has active ingredients of propafenone hydrochloride. It is often used in atrial fibrillation/flutter. eHealthMe is studying from 586 Rythmol sr users. Check the latest studies of Rythmol sr.
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 >>>.
106,231 people who take Cordarone and Rythmol sr are studied.

Drugs being compared in this study:
- Rythmol Sr (propafenone hydrochloride)
- Cordarone (amiodarone hydrochloride)
Most common side effects of the drugs, overall:
Most common side effects of the drugs, in long term (1+ years) use:
Drug effectiveness:
Cordarone:
- not at all: 3.58 %
- somewhat: 13.52 %
- moderate: 29.62 %
- high: 37.97 %
- very high: 15.31 %
Rythmol Sr:
- not at all: 2.0 %
- somewhat: 14.0 %
- moderate: 21.2 %
- high: 42.0 %
- very high: 20.8 %
Want to compare Cordarone with Rythmol sr?
- Personalize this study to your gender and age (0-99+)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.
Related publications that referenced our studies
- Tesic D, Kostic M, Paunovic D, Jankovic SM, "Analysis of the cost–effectiveness of dronedarone versus amiodarone, propafenone, and sotalol in patients with atrial fibrillation: results for Serbia", Kardiologia Polska (Polish Heart Journal), 2016 Jan .
- Kim DJ, Lee SC, Park GS, Kim GJ, Hwang WT, Lee CS, Lee MH, Hahn DH, Koh HC, "Amiodarone Induced Multiorgan Toxicity in a Patient of Hypertrophic Cardiomyopathy With Atrial Fibrillation", Journal of the Korean Geriatrics Society, 2013 Dec .
- Tesic D, Kostic M, Paunovic D, Jankovic SM, "Analysis of the cost–effectiveness of dronedarone versus amiodarone, propafenone, and sotalol in patients with atrial fibrillation: results for Serbia", Kardiologia Polska (Polish Heart Journal), 2016 Jan .
- Kim DJ, Lee SC, Park GS, Kim GJ, Hwang WT, Lee CS, Lee MH, Hahn DH, Koh HC, "Amiodarone Induced Multiorgan Toxicity in a Patient of Hypertrophic Cardiomyopathy With Atrial Fibrillation", Journal of the Korean Geriatrics Society, 2013 Dec .
Related studies
Alternative drugs to, pros and cons of:
- Cordarone (22,656 reports)
- Rythmol sr (516 reports)
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 zBrowse all side effects of Rythmol sr:
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 zHow the study uses the data?
The study is based on amiodarone hydrochloride and propafenone hydrochloride (the active ingredients of Cordarone and Rythmol sr, respectively). Other drugs that have the same active ingredients (e.g. generic drugs or brand names) are also considered. Dosage of drugs is not considered in the study.
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.
Recent studies on eHealthMe:
- Could Sular cause International Normalised Ratio Increased? - 3 seconds ago
- Drug interactions of Panthenol and Abraxane - 4 seconds ago
- Could Didanosine cause Stable Angina? - 10 seconds ago
- Could Diclofenac Sodium cause Cardiac Failure Acute? - 13 seconds ago
- Drug interactions of Cortisone Acetate and Humalog - 13 seconds ago
- Could Arava cause Dermatomyositis? - 15 seconds ago
- Could Sucralfate cause Tendon Injury? - 20 seconds ago
- Drug interactions of Albuterol Sulfate and Ketoprofen - 21 seconds ago
- Could Glucotrol Xl cause Joint Swelling? - 24 seconds ago
- Drug interactions of B12 and Euthyrox - 25 seconds ago