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

Summary:

Meningitis 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 Vitamin D3, and have Pain.

The phase IV clinical study analyzes which people have Meningitis 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 77,316 Claritin users. Check the latest studies of Claritin.

What is Meningitis?

Meningitis (inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges) is found to be associated with 651 drugs and 883 conditions by eHealthMe. Check the latest studies of Meningitis.

On Aug, 08, 2026

74,516 people reported to have side effects when taking Claritin.
Among them, 18 people (0.02%) have Meningitis.

Among these 18 people:

How long have people been on Claritin when they have Meningitis? *

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

female: 100 %
male: 0.0 %

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

What are other drugs people take besides Claritin? *

What are other side effects people have besides Meningitis? *

Headache (pain in head): 9 people, 50.00%
Fatigue (feeling of tiredness): 8 people, 44.44%
Fever: 7 people, 38.89%
Infection: 5 people, 27.78%
Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 5 people, 27.78%
Joint Pain: 5 people, 27.78%
Rhinorrhea (watery mucus discharge from the nose): 4 people, 22.22%
Neck Pain: 4 people, 22.22%
Dehydration (dryness resulting from the removal of water): 3 people, 16.67%
Paronychia (infection in the tissues adjacent to a nail on a finger or toe): 3 people, 16.67%

What are the existing conditions these people have? *

Pain: 6 people, 33.33%
Immunodeficiency Common Variable: 4 people, 22.22%
Stress And Anxiety: 3 people, 16.67%
Nausea (feeling of having an urge to vomit): 3 people, 16.67%
High Blood Pressure: 3 people, 16.67%
Immunodeficiency: 2 people, 11.11%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 2 people, 11.11%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 11.11%
Electroencephalogram Abnormal: 2 people, 11.11%
Dry Eyes (lack of adequate tears): 2 people, 11.11%

* Approximation only. Some reports may have incomplete information.

Do you take Claritin and have Meningitis?

- Check whether Meningitis 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 (77,316 reports)

Meningitis treatments and more:

Meningitis (9,443 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 Meningitis:

Meningitis (651 drugs)

Browse all the conditions that are associated with Meningitis:

Meningitis (883 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.