Claritin and Movement disorder - a phase IV clinical study of FDA data

Summary:

Movement disorder is reported as a side effect among people who take Claritin (loratadine), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Synthroid, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Movement disorder when taking Claritin. It is created by eHealthMe based on reports of 74,516 people who have side effects when taking Claritin from the FDA, and is updated regularly.

What is Claritin?

Claritin has active ingredients of loratadine. It is often used in allergies. eHealthMe is studying from 77,317 Claritin users. Check the latest studies of Claritin.

What is Movement disorder?

Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness) is found to be associated with 1,378 drugs and 1,505 conditions by eHealthMe. Check the latest studies of Movement 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 Aug, 30, 2026

74,516 people reported to have side effects when taking Claritin.
Among them, 116 people (0.16%) have Movement disorder.

Among these 116 people:

* Approximation only. Some reports may have incomplete information.

Do you take Claritin and have Movement disorder?

- Check whether Movement 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 Claritin:

Claritin (77,317 reports)

Movement disorder treatments and more:

Movement disorder (37,885 reports)

How severe was Movement disorder and when was it recovered:

Movement disorder in Claritin

Expand to all the drugs that have ingredients of loratadine:

Movement disorder and drugs with ingredients of loratadine (254 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 Claritin:

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 Movement disorder:

Movement disorder (1,378 drugs)

Browse all the conditions that are associated with Movement disorder:

Movement disorder (1,505 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on loratadine (the active ingredients of Claritin) and Claritin (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.