Focalin and Speech disorder - a phase IV clinical study of FDA data

Summary:

Speech disorder is reported as a side effect among people who take Focalin (dexmethylphenidate hydrochloride), especially for people who are male, 2-9 old, have been taking the drug for 6 - 12 months also take Vitamin D3, and have Bipolar disorder.

The phase IV clinical study analyzes which people have Speech disorder 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 Speech disorder?

Speech disorder is found to be associated with 1,804 drugs and 2,282 conditions by eHealthMe. Check the latest studies of Speech disorder.

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 Sep, 02, 2026

3,802 people reported to have side effects when taking Focalin.
Among them, 28 people (0.74%) have Speech disorder.

Among these 28 people:

How long have people been on Focalin when they have Speech disorder? *

What is the gender of people who have Speech disorder when taking Focalin? *

female: 42.86 %
male: 57.14 %

What is the age of people who have Speech disorder when taking Focalin? *

What are other drugs people take besides Focalin? *

What are other side effects people have besides Speech disorder? *

Dysphemia (stammering or stuttering): 7 people, 25.00%
Back Pain: 6 people, 21.43%
Hallucinations (sensations that appear real but are created by your mind): 6 people, 21.43%
Weakness: 5 people, 17.86%
Drowsiness: 5 people, 17.86%
Educational Problem: 5 people, 17.86%
Thinking Abnormal: 5 people, 17.86%
Sleep Terror (felling of terror in sleep): 5 people, 17.86%
Social Problem: 4 people, 14.29%
Agitation (state of anxiety or nervous excitement): 4 people, 14.29%

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 4 people, 14.29%
Bipolar Disorder (mood disorder): 4 people, 14.29%
Weakness: 3 people, 10.71%
Disturbance In Attention: 3 people, 10.71%
Depression: 3 people, 10.71%
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, 7.14%
Pain In Extremity: 1 person, 3.57%
Neuropathy Peripheral (surface nerve damage): 1 person, 3.57%
Neuralgia (pain in one or more nerves): 1 person, 3.57%
Drowsiness: 1 person, 3.57%

* Approximation only. Some reports may have incomplete information.

Do you take Focalin and have Speech disorder?

- Check whether Speech disorder 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)

Speech disorder treatments and more:

Speech disorder (62,574 reports)

How severe was Speech disorder and when was it recovered:

Speech disorder in Focalin

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

Speech disorder and drugs with ingredients of dexmethylphenidate hydrochloride (23 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 Speech disorder:

Speech disorder (1,804 drugs)

Browse all the conditions that are associated with Speech disorder:

Speech disorder (2,282 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.