Claritin and Bronchiolitis - a phase IV clinical study of FDA data

Summary:

Bronchiolitis is reported as a side effect among people who take Claritin (loratadine), especially for people who are female, 40-49 old, also take Percocet, and have Gastroesophageal reflux disease.

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

Bronchiolitis (inflammation of the membranes lining the bronchioles in lungs) is found to be associated with 401 drugs and 481 conditions by eHealthMe. Check the latest studies of Bronchiolitis.

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 Sep, 01, 2026

74,516 people reported to have side effects when taking Claritin.
Among them, 16 people (0.02%) have Bronchiolitis.

Among these 16 people:

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

female: 86.67 %
male: 13.33 %

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

What are other drugs people take besides Claritin? *

What are other side effects people have besides Bronchiolitis? *

Abdominal Pain: 11 people, 68.75%
Bone Disorder: 11 people, 68.75%
Left Ventricular Hypertrophy (the thickening of the myocardium (muscle) of the left ventricle of the heart): 11 people, 68.75%
Lung Infiltration (a substance that normally includes fluid, inflammatory exudates or cells that fill a region of lung): 11 people, 68.75%
Lymphocyte Count Increased: 11 people, 68.75%
Lymphoedema (localized fluid retention and tissue swelling): 11 people, 68.75%
Malignant Melanoma In Situ (early stage of cancer in melanocyte): 11 people, 68.75%
Metastases To Bone (cancer spreads to bone): 11 people, 68.75%
Vitreous Detachment (a condition of the eye in which the vitreous humour separates from the retina): 11 people, 68.75%
Mitral Valve Incompetence (inefficient heart valve): 11 people, 68.75%

What are the existing conditions these people have? *

High Blood Pressure: 2 people, 12.50%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 12.50%
Otitis (ear infection): 1 person, 6.25%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 1 person, 6.25%
Multiple Myeloma (cancer of the plasma cells): 1 person, 6.25%
Mechanical Urticaria (urticaria is triggered by mechanical shearing forces e.g. stroking or scratching the skin): 1 person, 6.25%
Hyperaesthesia: 1 person, 6.25%
Diabetes: 1 person, 6.25%
Depression: 1 person, 6.25%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Claritin and have Bronchiolitis?

- Check whether Bronchiolitis 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)

Bronchiolitis treatments and more:

Bronchiolitis (5,841 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 Bronchiolitis:

Bronchiolitis (401 drugs)

Browse all the conditions that are associated with Bronchiolitis:

Bronchiolitis (481 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.