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

Summary:

Urticaria 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 Zantac, and have Infective pulmonary exacerbation of cystic fibrosis.

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

Urticaria (rash of round, red welts on the skin that itch intensely) is found to be associated with 2,611 drugs and 2,953 conditions by eHealthMe. Check the latest studies of Urticaria.

On Aug, 06, 2026

3,802 people reported to have side effects when taking Focalin.
Among them, 39 people (1.03%) have Urticaria.

Could Focalin cause Urticaria?

Among these 39 people:

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

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

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

  • female: 47.37 %
  • male: 52.63 %

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

  • 0-1: 0.0 %
  • 2-9: 5.88 %
  • 10-19: 61.76 %
  • 20-29: 2.94 %
  • 30-39: 2.94 %
  • 40-49: 20.59 %
  • 50-59: 5.88 %
  • 60+: 0.0 %

What are other drugs people take besides Focalin? *

  1. Zantac: 8 people, 20.51%
  2. Latuda: 6 people, 15.38%
  3. Pulmozyme: 6 people, 15.38%
  4. Tobi Podhaler: 6 people, 15.38%
  5. Cayston: 6 people, 15.38%
  6. Intuniv: 6 people, 15.38%
  7. Creon: 6 people, 15.38%
  8. Melatonin: 6 people, 15.38%
  9. Voltaren: 5 people, 12.82%
  10. Xgeva: 5 people, 12.82%

What are other side effects people have besides Urticaria? *

  1. Dyspnea (difficult or laboured breathing): 14 people, 35.90%
  2. Rashes (redness): 10 people, 25.64%
  3. Hypersensitivity: 9 people, 23.08%
  4. Blood Urea Increased: 6 people, 15.38%
  5. Blood Creatinine Decreased: 6 people, 15.38%
  6. Alanine Aminotransferase Increased: 6 people, 15.38%
  7. Infective Pulmonary Exacerbation Of Cystic Fibrosis (severe infective lung disease with production of abnormally thick mucus): 6 people, 15.38%
  8. White Blood Cell Count Increased: 6 people, 15.38%
  9. Drug Level Increased: 6 people, 15.38%
  10. Red Blood Cell Count Increased: 6 people, 15.38%

What are the existing conditions these people have? *

  1. Acne (skin problems that cause pimples): 5 people, 12.82%
  2. Back Pain: 5 people, 12.82%
  3. Bipolar Disorder (mood disorder): 5 people, 12.82%
  4. Sleep Disorder: 5 people, 12.82%
  5. Sinus Congestion (blockage of sinus): 5 people, 12.82%
  6. Cough: 5 people, 12.82%
  7. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 5 people, 12.82%
  8. Infective Pulmonary Exacerbation Of Cystic Fibrosis (severe infective lung disease with production of abnormally thick mucus): 5 people, 12.82%
  9. Jock Itch (fungal infection of the groin and upper thighs): 4 people, 10.26%
  10. Depression: 4 people, 10.26%

* Approximation only. Some reports may have incomplete information.

Do you take Focalin and have Urticaria?

- Check whether Urticaria 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:

Urticaria treatments and more:

How severe was Urticaria and when was it recovered:

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

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 Urticaria:

Browse all the conditions that are associated with Urticaria:

Related publications that referenced our studies

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.

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