Focalin and Itching - a phase IV clinical study of FDA data

Summary:

Itching is reported as a side effect among people who take Focalin (dexmethylphenidate hydrochloride), especially for people who are male, 10-19 old, have been taking the drug for < 1 month also take Synthroid, and have Acne.

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

Itching is found to be associated with 3,210 drugs and 4,536 conditions by eHealthMe. Check the latest studies of Itching.

On Jul, 25, 2026

3,802 people reported to have side effects when taking Focalin.
Among them, 32 people (0.84%) have Itching.

Among these 32 people:

How long have people been on Focalin when they have Itching? *

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

female: 48.39 %
male: 51.61 %

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

What are other drugs people take besides Focalin? *

Proair Hfa: 4 people, 12.50%
Synthroid: 4 people, 12.50%
Zyrtec: 3 people, 9.38%
Azithromycin: 3 people, 9.38%
Singulair: 3 people, 9.38%
Dupixent: 3 people, 9.38%
Advair Hfa: 3 people, 9.38%
Xyzal: 3 people, 9.38%
Ajovy: 2 people, 6.25%
Fexofenadine Hydrochloride: 2 people, 6.25%

What are other side effects people have besides Itching? *

Rashes (redness): 12 people, 37.50%
Skin Exfoliation (removal of the oldest dead skin cells): 5 people, 15.62%
Urticaria (rash of round, red welts on the skin that itch intensely): 4 people, 12.50%
Hypersensitivity: 3 people, 9.38%
Rash Macular (small, flat red spots): 3 people, 9.38%
Eyelid Oedema (eyelids are swollen and contain excessive fluid): 3 people, 9.38%
Oedema Peripheral (superficial swelling): 3 people, 9.38%
Pain: 3 people, 9.38%
Feeling Hot: 3 people, 9.38%
Dry Skin: 3 people, 9.38%

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 3 people, 9.38%
Headache (pain in head): 3 people, 9.38%
Asthma: 3 people, 9.38%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 3 people, 9.38%
Acne (skin problems that cause pimples): 3 people, 9.38%
Multiple Allergies (allergy to multiple agents): 2 people, 6.25%
Hypersensitivity: 2 people, 6.25%
Psoriasis (immune-mediated disease that affects the skin): 2 people, 6.25%
Stress And Anxiety: 2 people, 6.25%
Asperger's Disorder (autism spectrum disorder that affects language and behavioural development in children): 2 people, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Focalin and have Itching?

- Check whether Itching 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)

Itching treatments and more:

Itching (398,821 reports)

How severe was Itching and when was it recovered:

Itching in Focalin

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

Itching and drugs with ingredients of dexmethylphenidate hydrochloride (46 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 Itching:

Itching (3,210 drugs)

Browse all the conditions that are associated with Itching:

Itching (4,536 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.

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