Focalin and Heart palpitations - a phase IV clinical study of FDA data

Summary:

Heart palpitations is reported as a side effect among people who take Focalin (dexmethylphenidate hydrochloride), especially for people who are female, 50-59 old, have been taking the drug for 1 - 6 months also take Xyrem, and have Cataplexy.

The phase IV clinical study analyzes which people have Heart palpitations when taking Focalin. It is created by eHealthMe based on reports of 3,802 people who have side effects when taking Focalin from the FDA, and is updated regularly.

What is Focalin?

Focalin has active ingredients of dexmethylphenidate hydrochloride. It is often used in attention deficit hyperactivity disorder. eHealthMe is studying from 4,781 Focalin users. Check the latest studies of Focalin.

What is Heart palpitations?

Heart palpitations (feelings or sensations that your heart is pounding or racing) is found to be associated with 2,444 drugs and 3,634 conditions by eHealthMe. Check the latest studies of Heart palpitations.

On Jul, 18, 2026

3,802 people reported to have side effects when taking Focalin.
Among them, 40 people (1.05%) have Heart palpitations.

Among these 40 people:

How long have people been on Focalin when they have Heart palpitations? *

What is the gender of people who have Heart palpitations when taking Focalin? *

female: 56.41 %
male: 43.59 %

What is the age of people who have Heart palpitations when taking Focalin? *

What are other drugs people take besides Focalin? *

What are other side effects people have besides Heart palpitations? *

Dizziness: 11 people, 27.50%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 7 people, 17.50%
Hyperhidrosis (abnormally increased sweating): 6 people, 15.00%
Heart Rate Increased: 6 people, 15.00%
Insomnia (sleeplessness): 5 people, 12.50%
Stress And Anxiety: 4 people, 10.00%
Nightmares (unpleasant dreams): 4 people, 10.00%
Dry Mouth: 4 people, 10.00%
Cognitive Disorder (mental health disorders affects learning, memory, perception, and problem solving): 4 people, 10.00%
Chest Pain: 4 people, 10.00%

What are the existing conditions these people have? *

Cataplexy (loss of muscle tone accompanied by full conscious awareness): 4 people, 10.00%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 5.00%
Depression: 2 people, 5.00%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 2 people, 5.00%
Nausea (feeling of having an urge to vomit): 2 people, 5.00%
Irritable Bowel Syndrome: 1 person, 2.50%
Blood Pressure Abnormal: 1 person, 2.50%
Drowsiness: 1 person, 2.50%
Fatigue (feeling of tiredness): 1 person, 2.50%
High Blood Pressure: 1 person, 2.50%

* Approximation only. Some reports may have incomplete information.

Do you take Focalin and have Heart palpitations?

- Check whether Heart palpitations 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 Focalin:

Focalin (4,781 reports)

Heart palpitations treatments and more:

Heart palpitations (147,650 reports)

How severe was Heart palpitations and when was it recovered:

Heart palpitations in Focalin

Expand to all the drugs that have ingredients of dexmethylphenidate hydrochloride:

Heart palpitations and drugs with ingredients of dexmethylphenidate hydrochloride (94 reports)

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 Focalin:

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 Heart palpitations:

Heart palpitations (2,444 drugs)

Browse all the conditions that are associated with Heart palpitations:

Heart palpitations (3,634 conditions)

How the study uses the data?

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