Flecainide acetate and Tinnitus - a phase IV clinical study of FDA data

Summary:

Tinnitus is reported as a side effect among people who take Flecainide acetate (flecainide acetate), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Vitamin B12, and have Immunodeficiency common variable.

The phase IV clinical study analyzes which people have Tinnitus when taking Flecainide acetate. It is created by eHealthMe based on reports of 6,177 people who have side effects when taking Flecainide acetate from the FDA, and is updated regularly.

What is Flecainide acetate?

Flecainide acetate has active ingredients of flecainide acetate. It is often used in atrial fibrillation/flutter. eHealthMe is studying from 7,176 Flecainide acetate users. Check the latest studies of Flecainide acetate.

What is Tinnitus?

Tinnitus (a ringing in the ears) is found to be associated with 1,669 drugs and 3,060 conditions by eHealthMe. Check the latest studies of Tinnitus.

On Apr, 25, 2026

6,177 people reported to have side effects when taking Flecainide acetate.
Among them, 33 people (0.53%) have Tinnitus.

Could Flecainide acetate cause Tinnitus?

Among these 33 people:

How long have people been on Flecainide acetate when they have Tinnitus? *

What is the gender of people who have Tinnitus when taking Flecainide acetate? *

female: 56.25 %
male: 43.75 %

What is the age of people who have Tinnitus when taking Flecainide acetate? *

What are other drugs people take besides Flecainide acetate? *

What are other side effects people have besides Tinnitus? *

Stress And Anxiety: 12 people, 36.36%
Dizziness: 9 people, 27.27%
Fatigue (feeling of tiredness): 9 people, 27.27%
Headache (pain in head): 8 people, 24.24%
Rashes (redness): 7 people, 21.21%
Infusion Related Reaction: 7 people, 21.21%
Malaise (a feeling of general discomfort or uneasiness): 7 people, 21.21%
Nausea (feeling of having an urge to vomit): 7 people, 21.21%
Joint Swelling: 7 people, 21.21%
Urticaria (rash of round, red welts on the skin that itch intensely): 6 people, 18.18%

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 6 people, 18.18%
Panic Disorder: 5 people, 15.15%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 5 people, 15.15%
Senile Osteoporosis (weak bones with ageing): 3 people, 9.09%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 2 people, 6.06%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 2 people, 6.06%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 1 person, 3.03%
Gastritis (inflammation of stomach): 1 person, 3.03%
Barrett's Oesophagus (barrett's oesophagus is a disorder in which the lining of the oesophagus (the tube that carries food from the throat to the stomach) is damaged by stomach acid and changed to a lining similar to that of the stomach): 1 person, 3.03%
Cluster Headache (one-sided head pain with tearing): 1 person, 3.03%

* Approximation only. Some reports may have incomplete information.

Do you take Flecainide acetate and have Tinnitus?

- Check whether Tinnitus 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 Flecainide acetate:

Flecainide acetate (7,176 reports)

Tinnitus treatments and more:

Tinnitus (58,552 reports)

Browse all side effects of Flecainide acetate:

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 Tinnitus:

Tinnitus (1,669 drugs)

Browse all the conditions that are associated with Tinnitus:

Tinnitus (3,060 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on flecainide acetate (the active ingredients of Flecainide acetate) and Flecainide acetate (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.