Loratadine and Chronic thyroiditis - a phase IV clinical study of FDA data

Summary:

Chronic thyroiditis is reported as a side effect among people who take Loratadine (loratadine), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Xyrem, and have Narcolepsy.

The phase IV clinical study analyzes which people have Chronic thyroiditis when taking Loratadine. It is created by eHealthMe based on reports of 53,991 people who have side effects when taking Loratadine from the FDA, and is updated regularly.

What is Loratadine?

Loratadine has active ingredients of loratadine. It is often used in allergies. eHealthMe is studying from 56,315 Loratadine users. Check the latest studies of Loratadine.

What is Chronic thyroiditis?

Chronic thyroiditis (long lasting inflammation of thyroid gland) is found to be associated with 457 drugs and 1,085 conditions by eHealthMe. Check the latest studies of Chronic thyroiditis.

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

53,991 people reported to have side effects when taking Loratadine.
Among them, 33 people (0.06%) have Chronic thyroiditis.

Could Loratadine cause Chronic thyroiditis?

Among these 33 people:

How long have people been on Loratadine when they have Chronic thyroiditis? *

What is the gender of people who have Chronic thyroiditis when taking Loratadine? *

female: 100 %
male: 0.0 %

What is the age of people who have Chronic thyroiditis when taking Loratadine? *

What are other drugs people take besides Loratadine? *

What are other side effects people have besides Chronic thyroiditis? *

Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 13 people, 39.39%
Autoimmune Hepatitis: 9 people, 27.27%
Oesophageal Candidiasis (fungal infection of oesophagus): 8 people, 24.24%
Diarrhea: 8 people, 24.24%
Diabetes: 8 people, 24.24%
Lymphopenia (an abnormally low level of lymphocytes in the blood): 6 people, 18.18%
Pneumonia: 6 people, 18.18%
Oral Herpes (viral infection of mouth): 6 people, 18.18%
Escherichia Urinary Tract Infection (urinary tract infection by escherichia coli): 6 people, 18.18%
Enterobacter Infection (infection caused by bacteria of the family enterobacteriaceae): 5 people, 15.15%

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 10 people, 30.30%
Type 2 Diabetes: 9 people, 27.27%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 9 people, 27.27%
Rashes (redness): 9 people, 27.27%
Diabetes: 8 people, 24.24%
Oesophageal Candidiasis (fungal infection of oesophagus): 8 people, 24.24%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 6 people, 18.18%
Gingival Cancer (cancer of gums): 6 people, 18.18%
Malignant Melanoma (skin cancer rises from melancytes): 4 people, 12.12%
Seasonal Allergy (allergic condition due to certain season): 3 people, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Loratadine and have Chronic thyroiditis?

- Check whether Chronic thyroiditis 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 Loratadine:

Loratadine (56,315 reports)

Browse all side effects of Loratadine:

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 Chronic thyroiditis:

Chronic thyroiditis (457 drugs)

Browse all the conditions that are associated with Chronic thyroiditis:

Chronic thyroiditis (1,085 conditions)

How the study uses the data?

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