Claritin and Circulatory collapse - a phase IV clinical study of FDA data

Summary:

Circulatory collapse is reported as a side effect among people who take Claritin (loratadine), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Singulair, and have Depression.

The phase IV clinical study analyzes which people have Circulatory collapse 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 77,315 Claritin users. Check the latest studies of Claritin.

What is Circulatory collapse?

Circulatory collapse is found to be associated with 1,121 drugs and 1,402 conditions by eHealthMe. Check the latest studies of Circulatory collapse.

On Jul, 19, 2026

74,516 people reported to have side effects when taking Claritin.
Among them, 35 people (0.05%) have Circulatory collapse.

Could Claritin cause Circulatory collapse?

Among these 35 people:

How long have people been on Claritin when they have Circulatory collapse? *

What is the gender of people who have Circulatory collapse when taking Claritin? *

female: 76.47 %
male: 23.53 %

What is the age of people who have Circulatory collapse when taking Claritin? *

What are other drugs people take besides Claritin? *

What are other side effects people have besides Circulatory collapse? *

Dizziness: 9 people, 25.71%
Cardiac Arrest: 8 people, 22.86%
Torsade De Pointes (a abnormal heart rate with abnormal beating pattern): 7 people, 20.00%
Fever: 7 people, 20.00%
High Blood Pressure: 6 people, 17.14%
Nausea (feeling of having an urge to vomit): 6 people, 17.14%
Chest Pain: 6 people, 17.14%
Ventricular Fibrillation (abnormally irregular heart rhythm): 6 people, 17.14%
Fatigue (feeling of tiredness): 5 people, 14.29%
Insomnia (sleeplessness): 5 people, 14.29%

What are the existing conditions these people have? *

Pain: 4 people, 11.43%
Depression: 4 people, 11.43%
Urticaria (rash of round, red welts on the skin that itch intensely): 3 people, 8.57%
Upper Respiratory Tract Infection: 3 people, 8.57%
Oppositional Defiant Disorder (a childhood disorder described by the diagnostic and statistical manual of mental disorders): 3 people, 8.57%
Hypersensitivity: 3 people, 8.57%
Hepatitis C: 2 people, 5.71%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 5.71%
Non-Hodgkin's Lymphoma (malignant (cancer) cells form in the lymph system): 2 people, 5.71%
Acute Myocardial Infarction (acute heart attack): 2 people, 5.71%

* Approximation only. Some reports may have incomplete information.

Do you take Claritin and have Circulatory collapse?

- Check whether Circulatory collapse 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 (77,315 reports)

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 Circulatory collapse:

Circulatory collapse (1,121 drugs)

Browse all the conditions that are associated with Circulatory collapse:

Circulatory collapse (1,402 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.