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

Summary:

Hyperhidrosis 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 Aspirin, and have Acromegaly.

The phase IV clinical study analyzes which people have Hyperhidrosis 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 Hyperhidrosis?

Hyperhidrosis (abnormally increased sweating) is found to be associated with 2,539 drugs and 3,546 conditions by eHealthMe. Check the latest studies of Hyperhidrosis.

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, 28, 2026

6,177 people reported to have side effects when taking Flecainide acetate.
Among them, 67 people (1.08%) have Hyperhidrosis.

Could Flecainide acetate cause Hyperhidrosis?

Among these 67 people:

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

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

female: 82.81 %
male: 17.19 %

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

What are other drugs people take besides Flecainide acetate? *

What are other side effects people have besides Hyperhidrosis? *

Dizziness: 28 people, 41.79%
Weakness: 27 people, 40.30%
Fatigue (feeling of tiredness): 26 people, 38.81%
Headache (pain in head): 24 people, 35.82%
Dyspnea (difficult or laboured breathing): 23 people, 34.33%
Malaise (a feeling of general discomfort or uneasiness): 22 people, 32.84%
Stress And Anxiety: 21 people, 31.34%
High Blood Pressure: 20 people, 29.85%
Pain: 20 people, 29.85%
Pneumonia: 19 people, 28.36%

What are the existing conditions these people have? *

Acromegaly (body produces too much growth hormone, leading to excess growth of body tissues): 13 people, 19.40%
High Blood Pressure: 6 people, 8.96%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 5 people, 7.46%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 4 people, 5.97%
Depression: 4 people, 5.97%
Diabetes: 4 people, 5.97%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 4 people, 5.97%
Drowsiness: 4 people, 5.97%
Heart Rate Irregular: 4 people, 5.97%
Dyslipidaemia (abnormal amount of lipids): 3 people, 4.48%

* Approximation only. Some reports may have incomplete information.

Do you take Flecainide acetate and have Hyperhidrosis?

- Check whether Hyperhidrosis 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)

Hyperhidrosis treatments and more:

Hyperhidrosis (147,206 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 Hyperhidrosis:

Hyperhidrosis (2,539 drugs)

Browse all the conditions that are associated with Hyperhidrosis:

Hyperhidrosis (3,546 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.