Xyzal and Sinus node dysfunction - a phase IV clinical study of FDA data

Summary:

We study 26,096 people who take Xyzal (levocetirizine dihydrochloride) or have Sinus node dysfunction. No report of Sinus node dysfunction is found in people who take Xyzal.

The phase IV clinical study is created by eHealthMe based on reports from the FDA, and is updated regularly.

What is Xyzal?

Xyzal has active ingredients of levocetirizine dihydrochloride. It is often used in allergies. eHealthMe is studying from 21,479 Xyzal users. Check the latest studies of Xyzal.

What is Sinus Node Dysfunction?

Sinus node dysfunction (a group of abnormal heart rhythms) is found to be associated with 1,205 drugs and 838 conditions by eHealthMe. Check the latest studies of Sinus node dysfunction.

On Jan, 06, 2026

No report is found.

Do you take Xyzal and have Sinus node dysfunction?

- Check whether Sinus node dysfunction is associated with a drug or a condition (FREE)
- Predict drug outcomes for up to one year with AI (FREE)
- Get an AI agent to monitor your drugs continuously (FREE)

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Xyzal:

Xyzal (21,479 reports)

Sinus node dysfunction treatments and more:

Sinus node dysfunction (4,617 reports)

How severe was Sinus node dysfunction and when was it recovered:

Sinus node dysfunction in Xyzal

Expand to all the drugs that have ingredients of levocetirizine dihydrochloride:

Sinus node dysfunction and drugs with ingredients of levocetirizine dihydrochloride (3 reports)

Browse all side effects of Xyzal:

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 Sinus node dysfunction:

Sinus node dysfunction

Browse all the conditions that are associated with Sinus node dysfunction:

Sinus node dysfunction

Drugs similar to Xyzal and Sinus node dysfunction :

How the study uses the data?

The study uses data from the FDA. It is based on levocetirizine dihydrochloride (the active ingredients of Xyzal) and Xyzal (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.