Mysoline and Sick sinus syndrome - a phase IV clinical study of FDA data

Summary:

Sick sinus syndrome is reported as a side effect among people who take Mysoline (primidone), especially for people who are female, 60+ old, also take Fosamax, and have Osteoporosis.

The phase IV clinical study analyzes which people have Sick sinus syndrome when taking Mysoline. It is created by eHealthMe based on reports of 2,781 people who have side effects when taking Mysoline from the FDA, and is updated regularly.

What is Mysoline?

Mysoline has active ingredients of primidone. It is often used in essential tremor. eHealthMe is studying from 2,849 Mysoline users. Check the latest studies of Mysoline.

What is Sick sinus syndrome?

Sick sinus syndrome (a collection of heart rhythm disorders) is found to be associated with 580 drugs and 842 conditions by eHealthMe. Check the latest studies of Sick sinus syndrome.

On Jul, 19, 2026

2,781 people reported to have side effects when taking Mysoline.
Among them, 15 people (0.54%) have Sick sinus syndrome.

Could Mysoline cause Sick sinus syndrome?

Among these 15 people:

What is the gender of people who have Sick sinus syndrome when taking Mysoline? *

female: 92.86 %
male: 7.14 %

What is the age of people who have Sick sinus syndrome when taking Mysoline? *

What are other drugs people take besides Mysoline? *

What are other side effects people have besides Sick sinus syndrome? *

Drug Hypersensitivity: 10 people, 66.67%
Vertigo Positional: 9 people, 60.00%
Bone Loss: 9 people, 60.00%
Lung Adenocarcinoma (a form of non-small cell lung cancer): 9 people, 60.00%
Gingival Infection (gum infection): 9 people, 60.00%
Musculoskeletal Pain (pain affects the bones, muscles, ligaments, tendons, and nerves): 9 people, 60.00%
Osteonecrosis Of Jaw (death of bone of jaw): 9 people, 60.00%
Drowsiness: 9 people, 60.00%
Polyneuropathy (neurological disorder that occurs when many peripheral nerves throughout the body malfunction simultaneously): 9 people, 60.00%
Implant Site Infection: 9 people, 60.00%

What are the existing conditions these people have? *

Osteoporosis (bones weak and more likely to break): 14 people, 93.33%
Thyroid Cancer: 9 people, 60.00%
Osteopenia (a condition where bone mineral density is lower than normal): 9 people, 60.00%
Tremor (trembling or shaking movements in one or more parts of your body): 3 people, 20.00%
Back Pain: 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Mysoline and have Sick sinus syndrome?

- Check whether Sick sinus syndrome 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 Mysoline:

Mysoline (2,849 reports)

Browse all side effects of Mysoline:

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 Sick sinus syndrome:

Sick sinus syndrome (580 drugs)

Browse all the conditions that are associated with Sick sinus syndrome:

Sick sinus syndrome (842 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on primidone (the active ingredients of Mysoline) and Mysoline (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.